AS568 Standard Sizes

Download or Print Our Standard O-ring Size Sheet

ID Inside Diameter   OD Outside Diameter   CS Cross Section  

  • .070"
  • .103"
  • .139"
  • .210"
  • .275"
    •
AS568Nominal InchesActual InchesActual Millimeters
NumberIDODCSIDCSIDCS
-0011/323/321/32.029±.004.040±.0030.74±0.101.02±0.08
-0023/649/643/64.042±.004.050±.0031.07±0.101.27±0.08
-0031/163/161/16.056±.004.060±.0031.42±0.101.52±0.08
-0045/6413/641/16.070±.005.070±.0031.78±0.131.78±0.08
-0053/327/321/16.101±.005.070±.0032.57±0.131.78±0.08
-0061/81/41/16.114±.005.070±.0032.90±0.131.78±0.08
-0075/329/321/16.145±.005.070±.0033.68±0.131.78±0.08
-0083/165/161/16.176±.005.070±.0034.47±0.131.78±0.08
-0097/3211/321/16.208±.005.070±.0035.28±0.131.78±0.08
-0101/43/81/16.239±.005.070±.0036.07±0.131.78±0.08
-0115/167/161/16.301±.005.070±.0037.65±0.131.78±0.08
-0123/81/21/16.364±.005.070±.0039.25±0.131.78±0.08
-0137/169/161/16.426±.005.070±.00310.82±0.131.78±0.08
-0141/25/81/16.489±.005.070±.00312.42±0.131.78±0.08
-0159/1611/161/16.551±.007.070±.00314.00±0.181.78±0.08
-0165/83/41/16.614±.009.070±.00315.60±0.231.78±0.08
-01711/1613/161/16.676±.009.070±.00317.17±0.231.78±0.08
-0183/47/81/16.739±.009.070±.00318.77±0.231.78±0.08
-01913/1615/161/16.801±.009.070±.00320.35±0.231.78±0.08
-0207/811/16.864±.009.070±.00321.95±0.231.78±0.08
-02115/161-1/161/16.926±.009.070±.00323.52±0.231.78±0.08
-02211-1/81/16.989±.010.070±.00325.12±0.251.78±0.08
-0231-1/161-3/161/161.051±.010.070±.00326.70±0.251.78±0.08
-0241-1/81-1/41/161.114±.010.070±.00328.30±0.251.78±0.08
-0251-3/161-5/161/161.176±.011.070±.00329.87±0.281.78±0.08
-0261-1/41-3/81/161.239±.011.070±.00331.47±0.281.78±0.08
-0271-5/161-7/161/161.301±.011.070±.00333.05±0.281.78±0.08
-0281-3/81-1/21/161.364±.013.070±.00334.65±0.331.78±0.08
-0291-1/21-5/81/161.489±.013.070±.00337.82±0.331.78±0.08
-0301-5/81-3/41/161.614±.013.070±.00341.00±0.331.78±0.08
-0311-3/41-7/81/161.739±.015.070±.00344.17±0.381.78±0.08
-0321-7/821/161.864±.015.070±.00347.35±0.381.78±0.08
-03322-1/81/161.989±.018.070±.00350.52±0.461.78±0.08
-0342-1/82-1/41/162.114±.018.070±.00353.70±0.461.78±0.08
-0352-1/42-3/81/162.239±.018.070±.00356.87±0.461.78±0.08
-0362-3/82-1/21/162.364±.018.070±.00360.05±0.461.78±0.08
-0372-1/22-5/81/162.489±.018.070±.00363.22±0.461.78±0.08
-0382-5/82-3/41/162.614±.020.070±.00366.40±0.511.78±0.08
-0392-3/42-7/81/162.739±.020.070±.00369.57±0.511.78±0.08
-0402-7/831/162.864±.020.070±.00372.75±0.511.78±0.08
-04133-1/81/162.989±.024.070±.00375.92±0.611.78±0.08
-0423-1/43-3/81/163.239±.024.070±.00382.27±0.611.78±0.08
-0433-1/23-5/81/163.489±.024.070±.00388.62±0.611.78±0.08
-0443-3/43-7/81/163.739±.027.070±.00394.97±0.691.78±0.08
-04544-1/81/163.989±.027.070±.003101.32±0.691.78±0.08
-0464-1/44-3/81/164.239±.030.070±.003107.67±0.761.78±0.08
-0474-1/24-5/81/164.489±.030.070±.003114.02±0.761.78±0.08
-0484-3/44-7/81/164.739±.030.070±.003120.37±0.761.78±0.08
-04955-1/81/164.989±.037.070±.003126.72±0.941.78±0.08
-0505-1/45-3/81/165.239±.037.070±.003133.07±0.941.78±0.08
AS568BNominal InchesActual InchesActual Millimeters
NumberIDODCSIDCSIDCS
-1021/161/43/32.049±.005.103±.0031.24±0.132.62±0.08
-1033/329/323/32.081±.005.103±.0032.06±0.132.62±0.08
-1041/85/163/32.112±.005.103±.0032.84±0.132.62±0.08
-1055/3211/323/32.143±.005.103±.0033.63±0.132.62±0.08
-1063/163/83/32.174±.005.103±.0034.42±0.132.62±0.08
-1077/3213/323/32.206±.005.103±.0035.23±0.132.62±0.08
-1081/47/163/32.237±.005.103±.0036.02±0.132.62±0.08
-1095/161/23/32.299±.005.103±.0037.59±0.132.62±0.08
-1103/89/163/32.362±.005.103±.0039.19±0.132.62±0.08
-1117/165/83/32.424±.005.103±.00310.77±0.132.62±0.08
-1121/211/163/32.487±.005.103±.00312.37±0.132.62±0.08
-1139/163/43/32.549±.007.103±.00313.94±0.182.62±0.08
-1145/813/163/32.612±.009.103±.00315.54±0.232.62±0.08
-11511/167/83/32.674±.009.103±.00317.12±0.232.62±0.08
-1163/415/163/32.737±.009.103±.00318.72±0.232.62±0.08
-11713/1613/32.799±.010.103±.00320.29±0.252.62±0.08
-1187/81-1/163/32.862±.010.103±.00321.89±0.252.62±0.08
-11915/161-1/83/32.924±.010.103±.00323.47±0.252.62±0.08
-12011-3/163/32.987±.010.103±.00325.07±0.252.62±0.08
-1211-1/161-1/43/321.049±.010.103±.00326.64±0.252.62±0.08
-1221-1/81-5/163/321.112±.010.103±.00328.24±0.252.62±0.08
-1231-3/161-3/83/321.174±.012.103±.00329.82±0.302.62±0.08
-1241-1/41-7/163/321.237±.012.103±.00331.42±0.302.62±0.08
-1251-5/161-1/23/321.299±.012.103±.00332.99±0.302.62±0.08
-1261-3/81-9/163/321.362±.012.103±.00334.59±0.302.62±0.08
-1271-7/161-5/83/321.424±.012.103±.00336.17±0.302.62±0.08
-1281-1/21-11/163/321.487±.012.103±.00337.77±0.302.62±0.08
-1291-9/161-3/43/321.549±.015.103±.00339.34±0.382.62±0.08
-1301-5/81-13/163/321.612±.015.103±.00340.94±0.382.62±0.08
-1311-11/161-7/83/321.674±.015.103±.00342.52±0.382.62±0.08
-1321-3/41-15/163/321.737±.015.103±.00344.12±0.382.62±0.08
-1331-13/1623/321.799±.015.103±.00345.69±0.382.62±0.08
-1341-7/82-1/163/321.862±.015.103±.00347.29±0.382.62±0.08
-1351-15/162-1/83/321.925±.017.103±.00348.90±0.432.62±0.08
-13622-3/163/321.987±.017.103±.00350.47±0.432.62±0.08
-1372-1/162-1/43/322.050±.017.103±.00352.07±0.432.62±0.08
-1382-1/82-5/163/322.112±.017.103±.00353.64±0.432.62±0.08
-1392-3/162-3/83/322.175±.017.103±.00355.25±0.432.62±0.08
-1402-1/42-7/163/322.237±.017.103±.00356.82±0.432.62±0.08
-1412-5/162-1/23/322.300±.020.103±.00358.42±0.512.62±0.08
-1422-3/82-9/163/322.362±.020.103±.00359.99±0.512.62±0.08
-1432-7/162-5/83/322.425±.020.103±.00361.60±0.512.62±0.08
-1442-1/22-11/163/322.487±.020.103±.00363.17±0.512.62±0.08
-1452-9/162-3/43/322.550±.020.103±.00364.77±0.512.62±0.08
-1462-5/82-13/163/322.612±.020.103±.00366.34±0.512.62±0.08
-1472-11/162-7/83/322.675±.022.103±.00367.95±0.562.62±0.08
-1482-3/42-15/163/322.737±.022.103±.00369.52±0.562.62±0.08
-1492-13/1633/322.800±.022.103±.00371.12±0.562.62±0.08
-1502-7/83-1/163/322.862±.022.103±.00372.69±0.562.62±0.08
-15133-3/163/322.987±.024.103±.00375.87±0.612.62±0.08
-1523-1/43-7/163/323.237±.024.103±.00382.22±0.612.62±0.08
-1533-1/23-11/163/323.487±.024.103±.00388.57±0.612.62±0.08
-1543-3/43-15/163/323.737±.028.103±.00394.92±0.712.62±0.08
-15544-3/163/323.987±.028.103±.003101.27±0.712.62±0.08
-1564-1/44-7/163/324.237±.030.103±.003107.62±0.762.62±0.08
-1574-1/24-11/163/324.487±.030.103±.003113.97±0.762.62±0.08
-1584-3/44-15/163/324.737±.030.103±.003120.32±0.762.62±0.08
-15955-3/163/324.987±.035.103±.003126.67±0.892.62±0.08
-1605-1/45-7/163/325.237±.035.103±.003133.02±0.892.62±0.08
-1615-1/25-11/163/325.487±.035.103±.003139.37±0.892.62±0.08
-1625-3/45-15/163/325.737±.035.103±.003145.72±0.892.62±0.08
-16366-3/163/325.987±.035.103±.003152.07±0.892.62±0.08
-1646-1/46-7/163/326.237±.040.103±.003158.42±1.022.62±0.08
-1656-1/26-11/163/326.487±.040.103±.003164.77±1.022.62±0.08
-1666-3/46-15/163/326.737±.040.103±.003171.12±1.022.62±0.08
-16777-3/163/326.987±.040.103±.003177.47±1.022.62±0.08
-1687-1/47-7/163/327.237±.045.103±.003183.82±1.142.62±0.08
-1697-1/27-11/163/327.487±.045.103±.003190.17±1.142.62±0.08
-1707-3/47-15/163/327.737±.045.103±.003196.52±1.142.62±0.08
-17188-3/163/327.987±.045.103±.003202.87±1.142.62±0.08
-1728-1/48-7/163/328.237±.050.103±.003209.22±1.272.62±0.08
-1738-1/28-11/163/328.487±.050.103±.003215.57±1.272.62±0.08
-1748-3/48-15/163/328.737±.050.103±.003221.92±1.272.62±0.08
-17599-3/163/328.987±.050.103±.003228.27±1.272.62±0.08
-1769-1/49-7/163/329.237±.055.103±.003234.62±1.402.62±0.08
-1779-1/29-11/163/329.487±.055.103±.003240.97±1.402.62±0.08
-1789-3/49-15/163/329.737±.055.103±.003247.32±1.402.62±0.08
AS568BNominal InchesActual InchesActual Millimeters
NumberIDODCSIDCSIDCS
-2013/167/161/8.171±.005.139±.0044.34±0.133.53±0.10
-2021/41/21/8.234±.005.139±.0045.94±0.133.53±0.10
-2035/169/161/8.296±.005.139±.0047.52±0.133.53±0.10
-2043/85/81/8.359±.005.139±.0049.12±0.133.53±0.10
-2057/1611/161/8.421±.005.139±.00410.69±0.133.53±0.10
-2061/23/41/8.484±.005.139±.00412.29±0.133.53±0.10
-2079/1613/161/8.546±.007.139±.00413.87±0.183.53±0.10
-2085/87/81/8.609±.009.139±.00415.47±0.233.53±0.10
-20911/1615/161/8.671±.009.139±.00417.04±0.233.53±0.10
-2103/411/8.734±.010.139±.00418.64±0.253.53±0.10
-21113/161-1/161/8.796±.010.139±.00420.22±0.253.53±0.10
-2127/81-1/81/8.859±.010.139±.00421.82±0.253.53±0.10
-21315/161-3/161/8.921±.010.139±.00423.39±0.253.53±0.10
-21411-1/41/8.984±.010.139±.00424.99±0.253.53±0.10
-2151-1/161-5/161/81.046±.010.139±.00426.57±0.253.53±0.10
-2161-1/81-3/81/81.109±.012.139±.00428.17±0.303.53±0.10
-2171-3/161-7/161/81.171±.012.139±.00429.74±0.303.53±0.10
-2181-1/41-1/21/81.234±.012.139±.00431.34±0.303.53±0.10
-2191-5/161-9/161/81.296±.012.139±.00432.92±0.303.53±0.10
-2201-3/81-5/81/81.359±.012.139±.00434.52±0.303.53±0.10
-2211-7/161-11/161/81.421±.012.139±.00436.09±0.303.53±0.10
-2221-1/21-3/41/81.484±.015.139±.00437.69±0.383.53±0.10
-2231-5/81-7/81/81.609±.015.139±.00440.87±0.383.53±0.10
-2241-3/421/81.734±.015.139±.00444.04±0.383.53±0.10
-2251-7/82-1/81/81.859±.018.139±.00447.22±0.463.53±0.10
-22622-1/41/81.984±.018.139±.00450.39±0.463.53±0.10
-2272-1/82-3/81/82.109±.018.139±.00453.57±0.463.53±0.10
-2282-1/42-1/21/82.234±.020.139±.00456.74±0.513.53±0.10
-2292-3/82-5/81/82.359±.020.139±.00459.92±0.513.53±0.10
-2302-1/22-3/41/82.484±.020.139±.00463.09±0.513.53±0.10
-2312-5/82-7/81/82.609±.020.139±.00466.27±0.513.53±0.10
-2322-3/431/82.734±.024.139±.00469.44±0.613.53±0.10
-2332-7/83-1/81/82.859±.024.139±.00472.62±0.613.53±0.10
-23433-1/41/82.984±.024.139±.00475.79±0.613.53±0.10
-2353-1/83-3/81/83.109±.024.139±.00478.97±0.613.53±0.10
-2363-1/43-1/21/83.234±.024.139±.00482.14±0.613.53±0.10
-2373-3/83-5/81/83.359±.024.139±.00485.32±0.613.53±0.10
-2383-1/23-3/41/83.484±.024.139±.00488.49±0.613.53±0.10
-2393-5/83-7/81/83.609±.028.139±.00491.67±0.713.53±0.10
-2403-3/441/83.734±.028.139±.00494.84±0.713.53±0.10
-2413-7/84-1/81/83.859±.028.139±.00498.02±0.713.53±0.10
-24244-1/41/83.984±.028.139±.004101.19±0.713.53±0.10
-2434-1/84-3/81/84.109±.028.139±.004104.37±0.713.53±0.10
-2444-1/44-1/21/84.234±.030.139±.004107.54±0.763.53±0.10
-2454-3/84-5/81/84.359±.030.139±.004110.72±0.763.53±0.10
-2464-1/24-3/41/84.484±.030.139±.004113.89±0.763.53±0.10
-2474-5/84-7/81/84.609±.030.139±.004117.07±0.763.53±0.10
-2484-3/451/84.734±.030.139±.004120.24±0.763.53±0.10
-2494-7/85-1/81/84.859±.035.139±.004123.42±0.893.53±0.10
-25055-1/41/84.984±.035.139±.004126.59±0.893.53±0.10
-2515-1/85-3/81/85.109±.035.139±.004129.77±0.893.53±0.10
-2525-1/45-1/21/85.234±.035.139±.004132.94±0.893.53±0.10
-2535-3/85-5/81/85.359±.035.139±.004136.12±0.893.53±0.10
-2545-1/25-3/41/85.484±.035.139±.004139.29±0.893.53±0.10
-2555-5/85-7/81/85.609±.035.139±.004142.47±0.893.53±0.10
-2565-3/461/85.734±.035.139±.004145.64±0.893.53±0.10
-2575-7/86-1/81/85.859±.035.139±.004148.82±0.893.53±0.10
-25866-1/41/85.984±.035.139±.004151.99±0.893.53±0.10
-2596-1/46-1/21/86.234±.040.139±.004158.34±1.023.53±0.10
-2606-1/26-3/41/86.484±.040.139±.004164.69±1.023.53±0.10
-2616-3/471/86.734±.040.139±.004171.04±1.023.53±0.10
-26277-1/41/86.984±.040.139±.004177.39±1.023.53±0.10
-2637-1/47-1/21/87.234±.045.139±.004183.74±1.143.53±0.10
-2647-1/27-3/41/87.484±.045.139±.004190.09±1.143.53±0.10
-2657-3/481/87.734±.045.139±.004196.44±1.143.53±0.10
-26688-1/41/87.984±.045.139±.004202.79±1.143.53±0.10
-2678-1/48-1/21/88.234±.050.139±.004209.14±1.273.53±0.10
-2688-1/28-3/41/88.484±.050.139±.004215.49±1.273.53±0.10
-2698-3/491/88.734±.050.139±.004221.84±1.273.53±0.10
-27099-1/41/88.984±.050.139±.004228.19±1.273.53±0.10
-2719-1/49-1/21/89.234±.055.139±.004234.54±1.403.53±0.10
-2729-1/29-3/41/89.484±.055.139±.004240.89±1.403.53±0.10
-2739-3/4101/89.734±.055.139±.004247.24±1.403.53±0.10
-2741010-1/41/89.984±.055.139±.004253.59±1.403.53±0.10
-27510-1/210-3/41/810.484±.055.139±.004266.29±1.403.53±0.10
-2761111-1/41/810.984±.065.139±.004278.99±1.653.53±0.10
-27711-1/211-3/41/811.484±.065.139±.004291.69±1.653.53±0.10
-2781212-1/41/811.984±.065.139±.004304.39±1.653.53±0.10
-2791313-1/41/812.984±.065.139±.004329.79±1.653.53±0.10
-2801414-1/41/813.984±.065.139±.004355.19±1.653.53±0.10
-2811515-1/41/814.984±.065.139±.004380.59±1.653.53±0.10
-2821616-1/41/815.955±.075.139±.004405.26±1.913.53±0.10
-2831717-1/41/816.955±.080.139±.004430.66±2.033.53±0.10
-2841818-1/41/817.955±.085.139±.004456.06±2.163.53±0.10
AS568BNominal InchesActual InchesActual Millimeters
NumberIDODCSIDCSIDCS
-3097/1613/163/16.412±.005.210±.00510.46±0.135.33±0.13
-3101/27/83/16.475±.005.210±.00512.07±0.135.33±0.13
-3119/1615-163/16.537±.007.210±.00513.64±0.185.33±0.13
-3125/813/16.600±.009.210±.00515.24±0.235.33±0.13
-31311/161-1/163/16.662±.009.210±.00516.81±0.235.33±0.13
-3143/41-1/83/16.725±.010.210±.00518.42±0.255.33±0.13
-31513/161-3/163/16.787±.010.210±.00519.99±0.255.33±0.13
-3167/81-1/43/16.850±.010.210±.00521.59±0.255.33±0.13
-31715/161-5/163/16.912±.010.210±.00523.16±0.255.33±0.13
-31811-3/83/16.975±.010.210±.00524.77±0.255.33±0.13
-3191-1/161-7/163/161.037±.010.210±.00526.34±0.255.33±0.13
-3201-1/81-1/23/161.100±.012.210±.00527.94±0.305.33±0.13
-3211-3/161-9/163/161.162±.012.210±.00529.51±0.305.33±0.13
-3221-1/41-5/83/161.225±.012.210±.00531.12±0.305.33±0.13
-3231-5/161-11/163/161.287±.012.210±.00532.69±0.305.33±0.13
-3241-3/81-3/43/161.350±.012.210±.00534.29±0.305.33±0.13
-3251-1/21-7/83/161.475±.015.210±.00537.47±0.385.33±0.13
-3261-5/823/161.600±.015.210±.00540.64±0.385.33±0.13
-3271-3/42-1/83/161.725±.015.210±.00543.82±0.385.33±0.13
-3281-7/82-1/43/161.850±.015.210±.00546.99±0.385.33±0.13
-32922-3/83/161.975±.018.210±.00550.17±0.465.33±0.13
-3302-1/82-1/23/162.100±.018.210±.00553.34±0.465.33±0.13
-3312-1/42-5/83/162.225±.018.210±.00556.52±0.465.33±0.13
-3322-3/82-3/43/162.350±.018.210±.00559.69±0.465.33±0.13
-3332-1/22-7/83/162.475±.020.210±.00562.87±0.515.33±0.13
-3342-5/833/162.600±.020.210±.00566.04±0.515.33±0.13
-3352-3/43-1/83/162.725±.020.210±.00569.22±0.515.33±0.13
-3362-7/83-1/43/162.850±.020.210±.00572.39±0.515.33±0.13
-33733-3/83/162.975±.024.210±.00575.57±0.615.33±0.13
-3383-1/83-1/23/163.100±.024.210±.00578.74±0.615.33±0.13
-3393-1/43-5/83/163.225±.024.210±.00581.92±0.615.33±0.13
-3403-3/83-3/43/163.350±.024.210±.00585.09±0.615.33±0.13
-3413-1/23-7/83/163.475±.024.210±.00588.27±0.615.33±0.13
-3423-5/843/163.600±.028.210±.00591.44±0.715.33±0.13
-3433-3/44-1/83/163.725±.028.210±.00594.62±0.715.33±0.13
-3443-7/84-1/43/163.850±.028.210±.00597.79±0.715.33±0.13
-34544-3/83/163.975±.028.210±.005100.97±0.715.33±0.13
-3464-1/84-1/23/164.100±.028.210±.005104.14±0.715.33±0.13
-3474-1/44-5/83/164.225±.030.210±.005107.32±0.765.33±0.13
-3484-3/84-3/43/164.350±.030.210±.005110.49±0.765.33±0.13
-3494-1/24-7/83/164.475±.030.210±.005113.67±0.765.33±0.13
-3504-5/853/164.600±.030.210±.005116.84±0.765.33±0.13
-3514-3/45-1/83/164.725±.030.210±.005120.02±0.765.33±0.13
-3524-7/85-1/43/164.850±.030.210±.005123.19±0.765.33±0.13
-35355-3/83/164.975±.037.210±.005126.37±0.945.33±0.13
-3545-1/85-1/23/165.100±.037.210±.005129.54±0.945.33±0.13
-3555-1/45-5/83/165.225±.037.210±.005132.72±0.945.33±0.13
-3565-3/85-3/43/165.350±.037.210±.005135.89±0.945.33±0.13
-3575-1/25-7/83/165.475±.037.210±.005139.07±0.945.33±0.13
-3585-5/863/165.600±.037.210±.005142.24±0.945.33±0.13
-3595-3/46-1/83/165.725±.037.210±.005145.42±0.945.33±0.13
-3605-7/86-1/43/165.850±.037.210±.005148.59±0.945.33±0.13
-36166-3/83/165.975±.037.210±.005151.77±0.945.33±0.13
-3626-1/46-5/83/166.225±.040.210±.005158.12±1.025.33±0.13
-3636-1/26-7/83/166.475±.040.210±.005164.47±1.025.33±0.13
-3646-3/47-1/83/166.725±.040.210±.005170.82±1.025.33±0.13
-36577-3/83/166.975±.040.210±.005177.17±1.025.33±0.13
-3667-1/47-5/83/167.225±.045.210±.005183.52±1.145.33±0.13
-3677-1/27-7/83/167.475±.045.210±.005189.87±1.145.33±0.13
-3687-3/48-1/83/167.725±.045.210±.005196.22±1.145.33±0.13
-36988-3/83/167.975±.045.210±.005202.57±1.145.33±0.13
-3708-1/48-5/83/168.225±.050.210±.005208.92±1.275.33±0.13
-3718-1/28-7/83/168.475±.050.210±.005215.27±1.275.33±0.13
-3728-3/49-1/83/168.725±.050.210±.005221.62±1.275.33±0.13
-37399-3/83/168.975±.050.210±.005227.97±1.275.33±0.13
-3749-1/49-5/83/169.225±.055.210±.005234.32±1.405.33±0.13
-3759-1/29-7/83/169.475±.055.210±.005240.67±1.405.33±0.13
-3769-3/410-1/83/169.725±.055.210±.005247.02±1.405.33±0.13
-3771010-3/83/169.975±.055.210±.005253.37±1.405.33±0.13
-37810-1/210-7/83/1610.475±.060.210±.005266.07±1.525.33±0.13
-3791111-3/83/1610.975±.060.210±.005278.77±1.525.33±0.13
-38011-1/211-7/83/1611.475±.065.210±.005291.47±1.655.33±0.13
-3811212-3/83/1611.975±.065.210±.005304.17±1.655.33±0.13
-3821313-3/83/1612.975±.065.210±.005329.57±1.655.33±0.13
-3831414-3/83/1613.975±.070.210±.005354.97±1.785.33±0.13
-3841515-3/83/1614.975±.070.210±.005380.37±1.785.33±0.13
-3851616-3/83/1615.955±.075.210±.005405.26±1.915.33±0.13
-3861717-3/83/1616.955±.080.210±.005430.66±2.035.33±0.13
-3871818-3/83/1617.955±.085.210±.005456.06±2.165.33±0.13
-3881919-3/83/1618.955±.090.210±.005481.46±2.295.33±0.13
-3892020-3/83/1619.955±.095.210±.005506.86±2.415.33±0.13
-3902121-3/83/1620.955±.095.210±.005532.26±2.415.33±0.13
-3912222-3/83/1621.955±.100.210±.005557.66±2.545.33±0.13
-3922323-3/83/1622.940±.105.210±.005582.68±2.675.33±0.13
-3932424-3/83/1623.940±.110.210±.005608.08±2.795.33±0.13
-3942525-3/83/1624.940±.115.210±.005633.48±2.925.33±0.13
-3952626-3/83/1625.940±.120.210±.005658.88±3.055.33±0.13
AS568BNominal InchesActual InchesActual Millimeters
NumberIDODCSIDCSIDCS
-4254-1/251/44.475±.033.275±.006113.67±0.846.99±0.15
-4264-5/85-1/81/44.600±.033.275±.006116.84±0.846.99±0.15
-4274-3/45-1/41/44.725±.033.275±.006120.02±0.846.99±0.15
-4284-7/85-3/81/44.850±.033.275±.006123.19±0.846.99±0.15
-42955-1/21/44.975±.037.275±.006126.37±0.946.99±0.15
-4305-1/85-5/81/45.100±.037.275±.006129.54±0.946.99±0.15
-4315-1/45-3/41/45.225±.037.275±.006132.72±0.946.99±0.15
-4325-3/85-7/81/45.350±.037.275±.006135.89±0.946.99±0.15
-4335-1/261/45.475±.037.275±.006139.07±0.946.99±0.15
-4345-5/86-1/81/45.600±.037.275±.006142.24±0.946.99±0.15
-4355-3/46-1/41/45.725±.037.275±.006145.42±0.946.99±0.15
-4365-7/86-3/81/45.850±.037.275±.006148.59±0.946.99±0.15
-43766-1/21/45.975±.037.275±.006151.77±0.946.99±0.15
-4386-1/46-3/41/46.225±.040.275±.006158.12±1.026.99±0.15
-4396-1/271/46.475±.040.275±.006164.47±1.026.99±0.15
-4406-3/47-1/41/46.725±.040.275±.006170.82±1.026.99±0.15
-44177-1/21/46.975±.040.275±.006177.17±1.026.99±0.15
-4427-1/47-3/41/47.225±.045.275±.006183.52±1.146.99±0.15
-4437-1/281/47.475±.045.275±.006189.87±1.146.99±0.15
-4447-3/48-1/41/47.725±.045.275±.006196.22±1.146.99±0.15
-44588-1/21/47.975±.045.275±.006202.57±1.146.99±0.15
-4468-1/291/48.475±.055.275±.006215.27±1.406.99±0.15
-44799-1/21/48.975±.055.275±.006227.97±1.406.99±0.15
-4489-1/2101/49.475±.055.275±.006240.67±1.406.99±0.15
-4491010-1/21/49.975±.055.275±.006253.37±1.406.99±0.15
-45010-1/2111/410.475±.060.275±.006266.07±1.526.99±0.15
-4511111-1/21/410.975±.060.275±.006278.77±1.526.99±0.15
-45211-1/2121/411.475±.060.275±.006291.47±1.526.99±0.15
-4531212-1/21/411.975±.060.275±.006304.17±1.526.99±0.15
-45412-1/2131/412.475±.060.275±.006316.87±1.526.99±0.15
-4551313-1/21/412.975±.060.275±.006329.57±1.526.99±0.15
-45613-1/2141/413.475±.070.275±.006342.27±1.786.99±0.15
-4571414-1/21/413.975±.070.275±.006354.97±1.786.99±0.15
-45814-1/2151/414.475±.070.275±.006367.67±1.786.99±0.15
-4591515-1/21/414.975±.070.275±.006380.37±1.786.99±0.15
-46015-1/2161/415.475±.070.275±.006393.07±1.786.99±0.15
-4611616-1/21/415.955±.075.275±.006405.26±1.916.99±0.15
-46216-1/2171/416.455±.075.275±.006417.96±1.916.99±0.15
-4631717-1/21/416.955±.080.275±.006430.66±2.036.99±0.15
-46417-1/2181/417.455±.085.275±.006443.36±2.166.99±0.15
-4651818-1/21/417.955±.085.275±.006456.06±2.166.99±0.15
-46618-1/2191/418.455±.085.275±.006468.76±2.166.99±0.15
-4671919-1/21/418.955±.090.275±.006481.46±2.296.99±0.15
-46819-1/2201/419.455±.090.275±.006494.16±2.296.99±0.15
-4692020-1/21/419.955±.095.275±.006506.86±2.416.99±0.15
-4702121-1/21/420.955±.095.275±.006532.26±2.416.99±0.15
-4712222-1/21/421.955±.100.275±.006557.66±2.546.99±0.15
-4722323-1/21/422.940±.105.275±.006582.68±2.676.99±0.15
-4732424-1/21/423.940±.110.275±.006608.08±2.796.99±0.15
-4742525-1/21/424.940±.115.275±.006633.48±2.926.99±0.15
-4752626-1/21/425.940±.120.275±.006658.88±3.056.99±0.15
-901


.185±.005.056±.0034.70±0.131.42±0.08
-902


.239±.005.064±.0036.07±0.131.63±0.08
-903


.301±.005.064±.0037.65±0.131.63±0.08
-904


.351±.005.072±.0038.92±0.131.83±0.08
-905


.414±.005.072±.00310.52±0.131.83±0.08
-906


.468±.005.078±.00311.89±0.131.98±0.08
-907


.530±.007.082±.00313.46±0.182.08±0.08
-908


.644±.009.087±.00316.36±0.232.21±0.08
-909


.706±.009.097±.00317.93±0.232.46±0.08
-910


.755±.009.097±.00319.18±0.232.46±0.08
-911


.863±.009.116±.00421.92±0.232.95±0.10
-912


.924±.009.116±.00423.47±0.232.95±0.10
-913


.986±.010.116±.00425.04±0.252.95±0.10
-914


1.047±.010.116±.00426.59±0.252.95±0.10
-916


1.171±.010.116±.00429.74±0.252.95±0.10
-918


1.355±.012.116±.00434.42±0.302.95±0.10
-920


1.475±.014.118±.00437.47±0.363.00±0.10
-924


1.720±.014.118±.00443.69±0.363.00±0.10
-928


2.090±.018.118±.00453.09±0.463.00±0.10
-932


2.338±.019.118±.00459.37±0.473.00±0.10

View Technical Data On Our O-Rings

Order Requirements

  • Business-to-business sales only.
  • Standard sized O-rings are readily available in the following materials with a $20 per size minimum: Black Nitrile (Buna-N) 70 or 90, Brown or Black Viton® 75, Black EPDM 70, Red Silicone 70, Black Neoprene 70 and White PTFE.
  • Standard sized Kalrez® O-rings are available in 1-6 weeks.
  • Metric sized O-rings are readily available in the following materials with a $20 per size minimum: Black Nitrile (Buna-N) 70 and Black Viton® 75.
  • Standard sized Black Aflas® 80 and Blue Fluorosilicone 70 O-rings are available in 0-5 weeks.
  • Teflon® Encapsulated FEP/PFA Viton® and Silicone O-rings are available in 0-4 weeks.
  • Parco Mil-spec O-rings rings are available in 0-6 weeks with a $150 per size minimum.
  • Standard sized O-rings with special compounds/colors/durometers are available in 1-5 weeks with a $225 per size minimum. Custom sized O-rings are available in 5-6 weeks with a $250 per size minimum.
  • Custom molded parts are available in 5-6 weeks; a drawing or sample is required for a quotation.

Specializing in quick delivery on the following mil specs:

  • AMS3209
  • AMS3215
  • AMS3227
  • AMS3242
  • AMS3304
  • AMS7259
  • AMS7270
  • AMS7271
  • AMS7274
  • AMS7276
  • AMS7362 (MIL-R-7362)
  • AMS-P-5315 (MIL-R-5315)
  • AMS-P-5510 (MIL-G-5510)
  • AMS-P-83461
  • AMS-R-25988 (MIL-R-25988) Type 1 Class 1 Grade 60
  • AMS-R-25988 Type 1 Class 1 Grades 70 and 80
  • AMS-R-25988 Type 1 Class 3 Grade 75
  • AMS-R-6855 (MIL-R-6855) Class 2A Grade 60
  • AMS-R-6855 Class 1
  • AMS-R-83248 (MIL-R-83248) Classes 1 and 2 Type 1
  • AMS-R-83485 (MIL-P-83485)
  • MIL-G-21569 Class 1
  • MIL-P-25732
  • MIL-P-82745
  • MIL-P-83461
  • MIL-PRF-1149 Types 1 and 2 Class 5
  • MIL-PRF-1149 Type 2 Class 1
  • MIL-R-3065 (see ASTM D 2000)
  • MIL-R-6855 Grade 60
  • SAE J120 R1 Classes 1 and 2
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Quality Policy

O-Rings West’s goal is to be recognized globally for quality, reliability and expertise in all aspects of our business. Our policy is to provide a management system and a working environment that emphasize predetermined quality objectives through continual enhancement of personnel capabilities and quality awareness. This system is based on continuous, permanent quality-system improvements to prevent defects, reduce waste, meet customer expectations and sustain profit. Our Quality Management System is based on ISO-9001-2015.

It is also our intent to provide the highest quality products to our customers while complying with customers’ contractual requirements, our company policies and procedures, and applicable safety, quality and environmental regulations. This policy applies to all O-Rings West personnel.