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N1300 and N1400 Circlips

A circlip is a type of retaining ring or fastener that takes the form of a flexible, open-ended ring, made from metal. [cite: 3] They may also be known as retaining rings, snap rings, c-clips, or Jesus clips. [cite: 3]

Most applications which need a part to pivot, spin, or turn, where a bearing is used, will need a circlip or lock ring fastening. [cite: 4] Circlips are commonly used in motors, turbines and pistons. [cite: 4]

Circlips fit into a groove on the inside of a bore or the outside of a shaft. [cite: 5] They work as a load-bearing shoulder which positions and holds mechanical parts. [cite: 5] They provide continuous radial force and are secure against high rotational speeds because they are retained within the groove. [cite: 6]

Dimensions shown are in Inches, if you wish to convert any Inch measurement to millimeters, please use our universal converter.

N1300 AMERICAN STANDARD INTERNAL CIRCLIP DIMENSIONS

N1300 Circlip and Groove Dimensions
Reference NumberNominal Diameter (D1)Circlip DimensionsGroove Dimensions
DecFracThickness (T)ToleranceUnstressed Dia (D3)ToleranceLug (A)Beam (B)Lug Hole (D5)Groove Dia (D2)ToleranceGroove Width (G)Tolerance
N1300-00250.251/40.015± 0.0020.280.0050.0680.0250.0290.268± 0.0010.0180.002
N1300-00310.3125/160.015± 0.0020.3460.0050.0690.0330.0290.33± 0.0010.0180.002
N1300-00370.3753/80.025± 0.0020.4150.0050.0850.040.0390.397± 0.0020.0290.003
N1300-00430.4387/160.025± 0.0020.4820.0050.1010.0490.0390.461± 0.0020.0290.003
N1300-00450.45329/640.025± 0.0020.4980.0050.1010.050.0450.477± 0.0020.0290.003
N1300-00500.51/20.035± 0.0020.5480.0050.1170.0530.0450.53± 0.0020.0390.003
N1300-00510.512-0.035± 0.0020.560.0050.1190.0530.0450.542± 0.0020.0390.003
N1300-00560.5629/160.035± 0.0020.620.0050.1370.0530.0450.596± 0.0020.0390.003
N1300-00620.6255/80.035± 0.0020.6940.0050.1370.060.060.665± 0.0020.0390.003
N1300-00680.68811/160.035± 0.0020.7630.0050.1370.0630.060.732± 0.0020.0390.003
N1300-00750.753/40.035± 0.0020.8310.0050.1470.070.060.796± 0.0020.0390.003
N1300-00770.777-0.042± 0.0020.8590.0050.1510.0740.060.825± 0.0030.0460.003
N1300-00810.81213/160.042± 0.0020.9010.0050.160.0770.060.862± 0.0030.0460.003
N1300-00860.866-0.042± 0.0020.9610.0050.160.0810.060.92± 0.0030.0460.003
N1300-00870.8757/80.042± 0.0020.9710.0050.160.0840.060.931± 0.0030.0460.003
N1300-00900.901-0.042± 0.00210.0050.160.0870.060.959± 0.0030.0460.003
N1300-00930.93815/160.042± 0.0021.0410.0050.160.0910.061± 0.0030.0460.003
N1300-0100110.042± 0.0021.1110.0050.160.1040.061.066± 0.0030.0460.003
N1300-01021.023-0.042± 0.0021.1360.0050.160.1060.061.091± 0.0030.0460.003
N1300-01061.0621 1/160.05± 0.0021.180.0050.1850.110.0761.13± 0.0040.0560.004
N1300-01121.1251 1/80.05± 0.0021.2490.0050.1850.1160.0761.197± 0.0040.0560.004
N1300-01181.1881 3/160.05± 0.0021.3190.0050.1850.120.0761.262± 0.0040.0560.004
N1300-01251.251 1/40.05± 0.0021.3880.0050.1850.1240.0761.33± 0.0040.0560.004
N1300-01311.3121 5/160.05± 0.0021.4560.0050.1850.130.0761.396± 0.0040.0560.004
N1300-01371.3751 3/80.05± 0.0021.5260.0050.1850.130.0761.461± 0.0040.0560.004
N1300-01431.4381 7/160.05± 0.0021.5960.0050.1850.1330.0761.528± 0.0040.0560.004
N1300-01451.456-0.05± 0.0021.6160.0050.1850.1330.0761.548± 0.0040.0560.004
N1300-01501.51 1/20.05± 0.0021.660.0050.1850.1330.0761.594± 0.0040.0560.004
N1300-01561.5621 9/160.062± 0.0031.7340.010.2050.160.0761.658± 0.0050.0680.004
N1300-01621.6251 5/80.062± 0.0031.8040.010.2050.160.0761.725± 0.0050.0680.004
N1300-01651.653-0.062± 0.0031.8350.010.2050.1670.0761.755± 0.0050.0680.004
N1300-01681.6881 11/160.062± 0.0031.8740.010.2050.170.0761.792± 0.0050.0680.004
N1300-01751.751 3/40.062± 0.0031.9420.010.2050.170.0761.858± 0.0050.0680.004
N1300-01811.8121 13/160.062± 0.0032.0120.010.2050.170.0911.922± 0.0050.0680.004
N1300-01851.85-0.062± 0.0032.0540.010.2050.170.0911.962± 0.0050.0680.004
N1300-01871.8751 7/80.062± 0.0032.0720.010.2050.170.0911.989± 0.0050.0680.004
N1300-01931.9381 15/160.062± 0.0032.1410.010.2050.1650.0912.056± 0.0050.0680.004
N1300-0200220.062± 0.0032.210.010.2050.170.0912.122± 0.0050.0680.004
N1300-02062.0622 1/160.078± 0.0032.280.010.2250.1860.0912.186± 0.0060.0860.005
N1300-02122.1252 1/80.078± 0.0032.350.010.2360.1950.0912.251± 0.0060.0860.005
N1300-02182.1882 3/160.078± 0.0032.4150.010.2360.1990.0912.318± 0.0060.0860.005
N1300-02252.252 1/40.078± 0.0032.490.010.2360.2030.0912.382± 0.0060.0860.005
N1300-02312.3122 5/160.078± 0.0032.560.010.2360.2050.0912.45± 0.0060.0860.005
N1300-02372.3752 3/80.078± 0.0032.630.010.2360.2070.0912.517± 0.0060.0860.005
N1300-02442.442 7/160.078± 0.0032.7020.010.2360.2050.1082.584± 0.0060.0860.005
N1300-02502.52 1/20.078± 0.0032.7750.010.2360.210.1082.648± 0.0060.0860.005
N1300-02562.5622 9/160.093± 0.0032.8440.010.2680.2220.1082.714± 0.0060.1030.005
N1300-02622.6252 5/80.093± 0.0032.910.010.2680.2260.1082.781± 0.0060.1030.005
N1300-02682.6882 11/160.093± 0.0032.980.010.2680.2360.1082.848± 0.0060.1030.005
N1300-02752.752 3/40.093± 0.0033.050.010.2840.2340.1082.914± 0.0060.1030.005
N1300-02812.8122 13/160.093± 0.0033.1210.010.2840.230.1082.98± 0.0060.1030.005
N1300-02872.8752 7/80.093± 0.0033.1910.010.2840.240.1083.051± 0.0060.1030.005
N1300-0300330.093± 0.0033.3250.010.2840.250.1083.182± 0.0060.1030.005
N1300-03063.0623 1/160.109± 0.0033.41800.2990.2540.1233.248± 0.0060.120.005
N1300-03123.1253 1/80.109± 0.0033.48800.2990.260.1233.315± 0.0060.120.005
N1300-03153.149-0.109± 0.0033.52300.2990.260.1233.348± 0.0060.120.005
N1300-03253.253 1/40.109± 0.0033.62300.2990.2690.1233.446± 0.0060.120.005
N1300-03343.3463 11/320.109± 0.0033.73400.3230.2760.1233.546± 0.0060.120.005
N1300-03473.469315/320.109± 0.0033.85700.350.2940.1233.675± 0.0060.120.005
N1300-03503.53 1/20.109± 0.0033.8900.350.2940.1233.71± 0.0060.120.005
N1300-03543.543-0.109± 0.0033.93600.350.2920.1233.776± 0.0060.120.005
N1300-03623.6253 5/80.109± 0.0034.02400.350.2980.1233.841± 0.0060.120.005
N1300-03753.753 3/40.109± 0.0034.15700.350.3090.1233.974± 0.0060.120.005
N1300-03873.8753 7/80.109± 0.0034.29100.350.3120.1234.107± 0.0060.120.005
N1300-03933.9383 15/160.109± 0.0034.35800.350.3190.1234.174± 0.0060.120.005
N1300-0400440.109± 0.0034.42400.3780.330.1234.24± 0.0060.120.005
N1300-04124.1254 1/80.109± 0.0034.55800.3780.330.1234.365± 0.0060.120.005
N1300-04254.254 1/40.109± 0.0034.69100.3780.3350.1234.49± 0.0060.120.005
N1300-04334.331-0.109± 0.0034.75600.4130.3450.1514.571± 0.0060.120.005
N1300-04504.54 1/20.109± 0.0034.9400.4130.3510.1514.74± 0.0060.120.005
N1300-04624.6254 5/80.109± 0.0035.07600.4130.360.1514.865± 0.0060.120.005
N1300-04754.754 3/40.109± 0.0035.21300.4130.370.1514.995± 0.0060.120.005
N1300-0500550.109± 0.0035.48500.4450.3950.1515.26± 0.0060.120.005
N1300-05255.255 1/40.125± 0.0045.7700.4650.4080.1515.52± 0.0070.1390.006
N1300-05375.3755 3/80.125± 0.0045.9100.4650.4080.1515.65± 0.0070.1390.006
N1300-05505.55 1/20.125± 0.0046.06600.4650.4080.1515.77± 0.0070.1390.006
N1300-05755.755 3/40.125± 0.0046.33600.4650.4080.1516.02± 0.0070.1390.006
N1300-0600660.125± 0.0046.6200.4650.4160.1516.27± 0.0070.1390.006
N1300-06256.256 1/40.156± 0.0056.89500.4540.4410.1826.53± 0.0080.1740.008
N1300-06506.56 1/20.156± 0.0057.1700.4540.4410.1826.79± 0.0080.1740.008
N1300-06626.6256 5/80.156± 0.0057.30800.4540.4410.1826.925± 0.0080.1740.008
N1300-06756.756 3/40.156± 0.0057.44500.5080.4560.1827.055± 0.0080.1740.008
N1300-0700770.156± 0.0057.7200.540.4850.1827.315± 0.0080.1740.008
N1300-07257.257 1/40.187± 0.0057.99500.570.490.1827.575± 0.0080.2090.008
N1300-07507.57 1/20.187± 0.0058.2700.570.5070.1827.84± 0.0080.2090.008
N1300-07757.757 3/40.187± 0.0058.54500.560.50.1828.1± 0.0080.2090.008
N1300-0800880.187± 0.0058.8200.60.550.1828.36± 0.0080.2090.008
N1300-08258.258 1/40.187± 0.0059.09500.60.5480.1828.62± 0.0080.2090.008
N1300-08508.58 1/20.187± 0.0059.28500.6320.5730.1828.88± 0.0080.2090.008
N1300-08758.758 3/40.187± 0.0059.55800.6320.5760.1829.145± 0.0080.2090.008
N1300-0900990.187± 0.0059.8300.6320.5920.1829.405± 0.0080.2090.008
N1300-09259.259 1/40.187± 0.00510.10200.6320.6220.1829.668± 0.0080.2090.008
N1300-09509.59 1/20.187± 0.00510.37500.6320.6220.1829.93± 0.0080.2090.008
N1300-09759.759 3/40.187± 0.00510.6480No lug0.6220.18210.19± 0.0080.2090.008
N1300-100010100.187± 0.00510.920No lug0.6220.18210.45± 0.0080.2090.008

N1400 - AMERICAN STANDARD EXTERNAL CIRCLIP DIMENSIONS

N1400 Circlip and Groove Dimensions
Reference NumberNominal Diameter (D1)Circlip DimensionsGroove Dimensions
DecFracThickness (T)ToleranceUnstressed Dia (D3)ToleranceLug (A)Beam (B)Lug Hole (D5)Groove Dia (D2)ToleranceGroove Width (G)Tolerance
N1400-00120.1251/80.01± 0.0010.112-0.0020.0480.0180.0240.117± 0.00150.0120.002
N1400-00150.1565/320.01± 0.0010.142-0.0020.0560.0260.0240.146± 0.00150.0120.002
N1400-00180.1883/160.015± 0.0020.168-0.0020.0520.0250.0230.175± 0.00150.0180.002
N1400-00190.197-0.015± 0.0020.179-0.0020.0580.0260.0240.185± 0.00150.0180.002
N1400-00210.2197/320.015± 0.0020.196-0.0020.0580.0280.0240.205± 0.00150.0180.002
N1400-00230.23615/640.015± 0.0020.215-0.0020.0580.030.0240.222± 0.00150.0180.002
N1400-00250.251/40.025± 0.0020.225-0.0020.0830.0350.0390.23± 0.00150.0290.003
N1400-00270.276-0.025± 0.0020.25-0.0030.0840.0350.0390.255± 0.0020.0290.003
N1400-00280.2819/320.025± 0.0020.256-0.0030.0830.0380.0390.261± 0.0020.0290.003
N1400-00310.3125/160.025± 0.0020.281-0.0030.090.040.0390.29± 0.0020.0290.003
N1400-00340.34411/320.025± 0.0020.309-0.0030.090.0420.0390.321± 0.0020.0290.003
N1400-00350.354-0.025± 0.0020.32-0.0030.090.0460.0390.33± 0.0020.0290.003
N1400-00370.3753/80.025± 0.0020.338-0.0030.0910.050.0390.352± 0.0020.0290.003
N1400-00390.394-0.025± 0.0020.354-0.0030.090.0520.0390.369± 0.0020.0290.003
N1400-04060.40613/320.025± 0.0020.366-0.0030.090.0540.0390.382± 0.0020.0290.003
N1400-00430.4387/160.025± 0.0020.395-0.0030.0910.0550.0390.412± 0.0020.0290.003
N1400-00460.46915/320.025± 0.0020.428-0.0030.090.0540.0390.443± 0.0020.0290.003
N1400-00500.51/20.035± 0.0020.461-0.0030.1110.0650.0450.468± 0.0020.0390.003
N1400-00550.551-0.035± 0.0020.509-0.0050.1110.0530.0450.519± 0.0020.0390.003
N1400-00560.5629/160.035± 0.0020.521-0.0050.1110.0720.0450.53± 0.0020.0390.003
N1400-00590.59419/320.035± 0.0020.55-0.0050.1120.0760.0450.559± 0.0030.0390.003
N1400-00620.6255/80.035± 0.0020.579-0.0050.1130.080.0450.588± 0.0030.0390.003
N1400-00660.67243/640.035± 0.0020.621-0.0050.1130.0820.0450.631± 0.0030.0390.003
N1400-00680.68811/160.042± 0.0020.635-0.0050.140.0840.050.646± 0.0030.0460.003
N1400-00750.753/40.042± 0.0020.693-0.0050.140.0920.050.704± 0.0030.0460.003
N1400-00780.78125/320.042± 0.0020.722-0.0050.140.0940.050.733± 0.0030.0460.003
N1400-00810.81213/160.042± 0.0020.751-0.0050.140.0960.050.762± 0.0030.0460.003
N1400-00870.8757/80.042± 0.0020.81-0.0050.1410.1040.050.821± 0.0030.0460.003
N1400-00930.93815/160.042± 0.0020.867-0.0050.170.110.0760.882± 0.0030.0460.003
N1400-00980.98463/640.042± 0.0020.91-0.0050.1710.1140.0760.926± 0.0030.0460.003
N1400-0100110.042± 0.0020.925-0.0050.1710.1160.0760.94± 0.0030.0460.003
N1400-01021.023-0.042± 0.0020.946-0.0050.1720.1180.0760.961± 0.0030.0460.003
N1400-01061.0621 1/160.05± 0.0020.982-0.0050.1850.1220.0760.998± 0.0040.0560.004
N1400-01121.1251 1/80.05± 0.0021.041-0.0050.1860.1280.0761.059± 0.0040.0560.004
N1400-01181.1881 3/160.05± 0.0021.098-0.0050.1860.1320.0761.118± 0.0040.0560.004
N1400-01251.251 1/40.05± 0.0021.156-0.0050.1870.140.0761.176± 0.0040.0560.004
N1400-01311.3121 5/160.05± 0.0021.214-0.0050.1870.1460.0761.232± 0.0040.0560.004
N1400-01371.3751 3/80.05± 0.0021.272-0.0050.1880.1520.0761.291± 0.0040.0560.004
N1400-01431.4381 7/160.05± 0.0021.333-0.0050.1880.160.0761.35± 0.0040.0560.004
N1400-01501.51 1/20.05± 0.0021.387-0.0050.2180.1680.1181.406± 0.0040.0560.004
N1400-01561.5621 9/160.062± 0.0031.446-0.0070.1890.180.11.468± 0.0050.0680.004
N1400-01621.6251 5/80.062± 0.0031.503-0.0070.1890.180.11.529± 0.0050.0680.004
N1400-01681.6881 11/160.062± 0.0031.56-0.0070.2050.1970.11.589± 0.0050.0680.004
N1400-01751.751 3/40.062± 0.0031.618-0.0070.2050.1970.11.65± 0.0050.0680.004
N1400-01771.772-0.062± 0.0031.618-0.0070.2050.1970.11.669± 0.0050.0680.004
N1400-01811.8121 13/160.062± 0.0031.675-0.0070.2050.1970.11.708± 0.0050.0680.004
N1400-01871.8751 7/80.062± 0.0031.735-0.0070.2050.1970.11.769± 0.0050.0680.004
N1400-01961.968-0.062± 0.0031.819-0.0070.2250.1970.1231.857± 0.0050.0680.004
N1400-0200220.062± 0.0031.85-0.0070.2320.2240.1231.886± 0.0050.0680.004
N1400-02062.0622 1/160.078± 0.0031.906-0.010.2250.2170.1231.946± 0.0060.0860.005
N1400-02122.1252 1/80.078± 0.0031.964-0.010.2360.2280.1232.003± 0.0060.0860.005
N1400-02152.1562 5/320.078± 0.0031.993-0.010.2360.2170.1232.032± 0.0060.0860.005
N1400-02252.252 1/40.078± 0.0032.081-0.010.2250.2170.1232.12± 0.0060.0860.005
N1400-02312.3122 5/160.078± 0.0032.319-0.010.2360.2170.1232.178± 0.0060.0860.005
N1400-02372.3752 3/80.078± 0.0032.197-0.010.2360.2280.1232.239± 0.0060.0860.005
N1400-02432.4382 7/160.078± 0.0032.255-0.010.2360.2280.1232.299± 0.0060.0860.005
N1400-02502.52 1/20.078± 0.0032.313-0.010.2360.2280.1232.36± 0.0060.0860.005
N1400-02552.559-0.078± 0.0032.377-0.010.2580.250.1232.419± 0.0060.0860.005
N1400-02622.6252 5/80.086± 0.0032.428-0.010.2360.2280.1232.481± 0.0060.0860.005
N1400-02682.6882 11/160.078± 0.0032.485-0.010.2730.2460.1232.541± 0.0060.0860.005
N1400-02752.752 3/40.093± 0.0032.543-0.010.2680.260.1232.602± 0.0060.1030.005
N1400-02872.8752 7/80.093± 0.0032.659-0.010.2680.260.1232.721± 0.0060.1030.005
N1400-02932.9382 15/160.093± 0.0032.717-0.010.2680.260.1232.779± 0.0060.1030.005
N1400-0300330.093± 0.0032.775-0.010.2680.260.1232.838± 0.0060.1030.005
N1400-03063.0623 1/160.093± 0.0032.832-0.010.2680.260.1232.898± 0.0060.1030.005
N1400-03123.1253 1/80.093± 0.0032.892-0.010.3050.2720.1232.957± 0.0060.1030.005
N1400-03153.1563 5/320.093± 0.0032.92-0.010.2840.2760.1232.968± 0.0060.1030.005
N1400-03253.253 1/40.093± 0.0033.006-0.010.2840.2760.1233.076± 0.0060.1030.005
N1400-03343.3463 11/320.093± 0.0033.092-0.010.2840.2760.1233.166± 0.0060.1030.005
N1400-03433.4383 7/160.093± 0.0033.179-0.010.2840.2760.1233.257± 0.0060.1030.005
N1400-03503.53 1/20.109± 0.0033.237-0.010.320.2850.1233.316± 0.0060.120.005
N1400-03543.543-0.109± 0.0033.277-0.010.320.2880.1233.357± 0.0060.120.005
N1400-03623.6253 5/80.109± 0.0033.352-0.010.3230.3150.1233.435± 0.0060.120.005
N1400-03683.6883 11/160.109± 0.0033.41-0.010.3350.3020.1233.493± 0.0060.120.005
N1400-03753.753 3/40.109± 0.0033.468-0.010.3370.310.1233.552± 0.0060.120.005
N1400-03873.8753 7/80.109± 0.0033.584-0.010.3350.3180.1233.673± 0.0060.120.005
N1400-03933.9383 15/160.109± 0.0033.642-0.010.3230.3180.1233.734± 0.0060.120.005
N1400-0400440.109± 0.0033.7-0.010.3520.3440.1233.792± 0.0060.120.005
N1400-04254.254 1/40.109± 0.0033.989-0.010.3230.3180.1234.065± 0.0060.120.005
N1400-04374.3754 3/80.109± 0.0034.106-0.010.3230.3180.1234.19± 0.0060.120.005
N1400-04504.54 1/20.109± 0.0034.223-0.010.3230.2850.1234.31± 0.0060.120.005
N1400-04754.754 3/40.109± 0.0034.458-0.010.4370.3030.1234.55± 0.0060.120.005
N1400-0500550.109± 0.0034.692-0.010.4450.360.1514.79± 0.0060.120.005
N1400-05255.255 1/40.125± 0.0044.927-0.020.4570.3720.1515.03± 0.0070.1390.006
N1400-05505.55 1/20.125± 0.0045.162-0.020.4570.390.1515.265± 0.0070.1390.006
N1400-05755.755 3/40.125± 0.0045.396-0.020.4570.4080.1515.505± 0.0070.1390.006
N1400-0600660.125± 0.0045.631-0.020.4570.3810.1515.745± 0.0070.1390.006
N1400-06256.256 1/40.156± 0.0055.866-0.030.5080.3960.1515.985± 0.0080.1740.008
N1400-06506.56 1/20.156± 0.0056.1-0.030.5080.4380.1516.225± 0.0080.1740.008
N1400-06756.756 3/40.156± 0.0056.335-0.030.5080.4560.1826.465± 0.0080.1740.008
N1400-0700770.156± 0.0056.57-0.030.5080.460.1826.705± 0.0080.1740.008
N1400-07507.57 1/20.187± 0.0057.039-0.140.6320.5070.1827.18± 0.0080.2090.008
N1400-0800880.187± 0.0057.508-0.140.6320.540.1827.66± 0.0080.2090.008
N1400-08508.58 1/20.187± 0.0057.977-0.140.6320.5730.1828.14± 0.0080.2090.008
N1400-0900990.187± 0.0058.445-0.14No lugs0.6090.1828.62± 0.0080.2090.008
N1400-09509.59 1/20.187± 0.0058.915-0.14No lugs0.6250.1829.1± 0.0080.2090.008
N1400-100010100.187± 0.0059.385-0.140.6320.6250.1829.575± 0.0080.2090.008

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