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Go to N1300 Nominal Diameter 2.50 - 10.0

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N1300 - American Standard Internal - Circlips For Bores - MIL-R-21248/MS 16625

Fraction Circlip Dimensions Groove Dimensions
Thickness (s) Tolerance Unstressed
Diameter (d3)
Tolerance Lug (a) max Beam (b)≈ Lug Hole (d5) min Weight
lb/1,000
Groove Diameter (d2) Tolerance Groove
Width (m)
Tolerance Radial Depth of Groove (t)

Note all values
are imperial

Manufacturer's Choice

Unstressed

N1300-0025   1/4 0.015 ± 0.002 0.280 + 0.010 - 0.005 0.068 0.025 0.029 0.08 0.268 ± 0.001 0.018 +0.002 0.009
N1300-0031   5/16 0.015 ± 0.002 0.346 + 0.010 - 0.005 0.069 0.033 0.029 0.11 0.330 ± 0.001 0.018 +0.002 0.009
N1300-0037   3/8 0.025 ± 0.002 0.415 + 0.010 - 0.005 0.085 0.040 0.039 0.25 0.397 ± 0.002 0.029 +0.003 0.011
N1300-0043   7/16 0.025 ± 0.002 0.482 + 0.010 - 0.005 0.101 0.049 0.039 0.37 0.461 ± 0.002 0.029 +0.003 0.012
N1300-0045  29/64 0.025 ± 0.002 0.498 + 0.010 - 0.005 0.101 0.050 0.045 0.43 0.477 ± 0.002 0.029 +0.003 0.012
N1300-0050   1/2 0.035 ± 0.002 0.548 + 0.010 - 0.005 0.117 0.053 0.045 0.70 0.530 ± 0.002 0.039 +0.003 0.015
N1300-0051 - 0.035 ± 0.002 0.560 + 0.010 - 0.005 0.119 0.053 0.045 0.77 0.542 ± 0.002 0.039 +0.003 0.015
N1300-0056   9/16 0.035 ± 0.002 0.620 + 0.010 - 0.005 0.137 0.053 0.045 0.86 0.596 ± 0.002 0.039 +0.003 0.017
N1300-0062   5/8 0.035 ± 0.002 0.694 + 0.010 - 0.005 0.137 0.060 0.060 1.00 0.665 ± 0.002 0.039 +0.003 0.020
N1300-0068  11/16 0.035 ± 0.002 0.763 + 0.010 - 0.005 0.137 0.063 0.060 1.20 0.732 ± 0.002 0.039 +0.003 0.022
N1300-0075   3/4 0.035 ± 0.002 0.831 + 0.010 - 0.005 0.147 0.070 0.060 1.30 0.796 ± 0.002 0.039 +0.003 0.023
N1300-0077 - 0.042 ± 0.002 0.859 + 0.010 - 0.005 0.151 0.074 0.060 1.70 0.825 ± 0.003 0.046 +0.003 0.024
N1300-0081  13/16 0.042 ± 0.002 0.901 + 0.015 - 0.010 0.160 0.077 0.060 1.90 0.862 ± 0.003 0.046 +0.003 0.025
N1300-0086 - 0.042 ± 0.002 0.961 + 0.015 - 0.010 0.160 0.081 0.060 2.00 0.920 ± 0.003 0.046 +0.003 0.027
N1300-0087   7/8 0.042 ± 0.002 0.971 + 0.015 - 0.010 0.160 0.084 0.060 2.10 0.931 ± 0.003 0.046 +0.003 0.028
N1300-0090 - 0.042 ± 0.002 1.000 + 0.015 - 0.010 0.160 0.087 0.060 2.20 0.959 ± 0.003 0.046 +0.003 0.029
N1300-0093  15/16 0.042 ± 0.002 1.041 + 0.015 - 0.010 0.160 0.091 0.060 2.40 1.000 ± 0.003 0.046 +0.003 0.031
N1300-0100 1       0.042 ± 0.002 1.111 + 0.015 - 0.010 0.160 0.104 0.060 2.70 1.066 ± 0.003 0.046 +0.003 0.033
N1300-0102 - 0.042 ± 0.002 1.136 + 0.015 - 0.010 0.160 0.106 0.060 2.80 1.091 ± 0.003 0.046 +0.003 0.034
N1300-0106 1   1/16 0.050 ± 0.002 1.180 + 0.025 - 0.020 0.185 0.110 0.076 3.70 1.130 ± 0.004 0.056 +0.004 0.034
N1300-0112 1   1/8 0.050 ± 0.002 1.249 + 0.025 - 0.020 0.185 0.116 0.076 4.00 1.197 ± 0.004 0.056 +0.004 0.036
N1300-0118 1   3/16 0.050 ± 0.002 1.319 + 0.025 - 0.020 0.185 0.120 0.076 4.30 1.262 ± 0.004 0.056 +0.004 0.037
N1300-0125 1   1/4 0.050 ± 0.002 1.388 + 0.025 - 0.020 0.185 0.124 0.076 4.80 1.330 ± 0.004 0.056 +0.004 0.040
N1300-0131 1   5/16 0.050 ± 0.002 1.456 + 0.025 - 0.020 0.185 0.130 0.076 5.00 1.396 ± 0.004 0.056 +0.004 0.042
N1300-0137 1   3/8 0.050 ± 0.002 1.526 + 0.025 - 0.020 0.185 0.130 0.076 5.10 1.461 ± 0.004 0.056 +0.004 0.043
N1300-0143 1   7/16 0.050 ± 0.002 1.596 + 0.025 - 0.020 0.185 0.133 0.076 5.80 1.528 ± 0.004 0.056 +0.004 0.045
N1300-0145 - 0.050 ± 0.002 1.616 + 0.025 - 0.020 0.185 0.133 0.076 6.00 1.548 ± 0.004 0.056 +0.004 0.046
N1300-0150 1   1/2 0.050 ± 0.002 1.660 + 0.025 - 0.020 0.185 0.133 0.076 6.10 1.594 ± 0.004 0.056 +0.004 0.047
N1300-0156 1   9/16 0.062 ± 0.003 1.734 + 0.035 - 0.025 0.205 0.160 0.076 9.10 1.658 ± 0.005 0.068 +0.004 0.048
N1300-0162 1   5/8 0.062 ± 0.003 1.804 + 0.035 - 0.025 0.205 0.160 0.076 10.10 1.725 ± 0.005 0.068 +0.004 0.050
N1300-0165 - 0.062 ± 0.003 1.835 + 0.035 - 0.025 0.205 0.167 0.076 10.40 1.755 ± 0.005 0.068 +0.004 0.051
N1300-0168 1 11/16 0.062 ± 0.003 1.874 + 0.035 - 0.025 0.205 0.170 0.076 10.80 1.792 ± 0.005 0.068 +0.004 0.052
N1300-0175 1   3/4 0.062 ± 0.003 1.942 + 0.035 - 0.025 0.205 0.175 0.076 11.50 1.858 ± 0.005 0.068 +0.004 0.054
N1300-0181 1 13/16 0.062 ± 0.003 2.012 + 0.035 - 0.025 0.205 0.170 0.091 12.00 1.922 ± 0.005 0.068 +0.004 0.055
N1300-0185 - 0.062 ± 0.003 2.054 + 0.035 - 0.025 0.205 0.170 0.091 12.80 1.962 ± 0.005 0.068 +0.004 0.056
N1300-0187 1   7/8 0.062 ± 0.003 2.072 + 0.035 - 0.025 0.205 0.170 0.091 12.80 1.989 ± 0.005 0.068 +0.004 0.057
N1300-0193 1 15/16 0.062 ± 0.003 2.141 + 0.035 - 0.025 0.205 0.165 0.091 13.30 2.056 ± 0.005 0.068 +0.004 0.059
N1300-0200 2       0.062 ± 0.003 2.210 + 0.035 - 0.025 0.205 0.170 0.091 13.00 2.122 ± 0.005 0.068 +0.004 0.061
N1300-0206 2   1/16 0.078 ± 0.003 2.280 + 0.040 - 0.030 0.225 0.186 0.091 18.00 2.186 ± 0.006 0.086 +0.005 0.062
N1300-0212 2   1/8 0.078 ± 0.003 2.350 + 0.040 - 0.030 0.236 0.195 0.091 19.40 2.251 ± 0.006 0.086 +0.005 0.063
N1300-0218 2   3/16 0.078 ± 0.003 2.415 + 0.040 - 0.030 0.236 0.199 0.091 19.60 2.318 ± 0.006 0.086 +0.005 0.065
N1300-0225 2   1/4 0.078 ± 0.003 2.490 + 0.040 - 0.030 0.236 0.203 0.091 21.80 2.382 ± 0.006 0.086 +0.005 0.066
N1300-0231 2   5/16 0.078 ± 0.003 2.560 + 0.040 - 0.030 0.236 0.205 0.091 22.60 2.450 ± 0.006 0.086 +0.005 0.069
N1300-0237 2   3/8 0.078 ± 0.003 2.630 + 0.040 - 0.030 0.236 0.207 0.091 23.80 2.517 ± 0.006 0.086 +0.005 0.071
N1300-0244 2   7/16 0.078 ± 0.003 2.702 + 0.040 - 0.030 0.236 0.205 0.108 25.30 2.584 ± 0.006 0.086 +0.005 0.072
 
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