MIL-DTL-21248C
TABLE I. (Continued)
K
P
C 1/
V 1/
Nominal Ring Size
(Free gap)
(Inch)
(Inch)
(Inch)
(Inch)
Inch
mm
Basic
Tol
Basic
Tol
Max
Max
2.875
73.0
1.095
+.140
.110
.077
.015
2.953
75.0
1.215
-.110
.110
.082
.015
3.000
76.2
1.215
.110
.082
.015
3.062
77.8
1.225
.125
.083
.015
3.125
79.4
1.230
.125
.085
.015
3.149
80.0
1.240
.125
.086
.015
3.156
80.2
1.240
.125
.086
.015
3.250
82.5
1.270
.125
.088
.015
3.346
85.0
1.310
.125
+.015
.090
.015
3.469
88.1
1.355
.125
-.002
.094
.015
±.190
3.500
88.9
1.370
.125
.095
.020
3.543
90.0
1.390
.125
.096
.020
3.562
90.5
1.390
.125
.097
.020
3.625
92.1
1.415
.125
.098
.020
3.740
95.0
1.465
.125
.102
.020
3.750
95.2
1.465
.125
.102
.020
3.875
98.4
1.505
.125
.106
.020
3.938
100.0
1.525
.125
.106
.020
4.000
101.6
1.525
.125
.110
.020
4.125
104.8
1.575
.125
.107
.020
4.250
108.0
1.620
.125
.110
.020
4.331
110.0
1.630
.156
.113
.020
±.230
4.500
114.3
1.665
.156
.117
.020
4.625
117.5
1.710
.156
.120
.020
4.724
120.0
1.760
.156
.122
.020
4.750
120.6
1.760
.156
.122
.020
5.000
127.0
1.730
.156
.130
.020
5.250
133.3
1.940
.156
.135
.025
+.020
5.375
136.5
1.990
.156
.135
.025
-.005
5.500
139.7
2.045
.156
.135
.025
5.750
146.0
2.140
.156
.135
.025
6.000
152.4
2.240
.156
.135
.025
6.250
158.7
2.325
.187
.140
.025
±.280
6.500
165.1
2.430
.187
.145
.025
6.625
168.3
2.470
.187
.150
.025
7
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