MIL-DTL-21248C
TABLE II. (Continued)
K
P
C 1/
V 1/
Nominal Ring Size
(Free gap)
(Inch)
(Inch)
(Inch)
(Inch)
Inch
mm
Max
Basic
Tol
Max
Max
3.438
87.3
.153
.125
.078
.015
3.500
88.9
.170
.125
.080
.020
3.543
90.0
.170
.125
.081
.020
3.625
92.0
.170
.125
.083
.020
3.688
93.7
.170
.125
.085
.020
3.750
95.2
.170
.125
+.015
.086
.020
3.875
98.4
.170
.125
-.002
.089
.020
3.938
100.0
.170
.125
.090
.020
4.000
101.6
.170
.125
.092
.020
4.250
108.0
.170
.125
.092
.020
4.375
111.1
.170
.125
.092
.020
4.500
114.3
.170
.125
.095
.020
4.750
120.6
.170
.125
.100
.020
5.000
127.0
.170
.156
.105
.020
5.250
133.3
.185
.156
.110
.025
5.500
139.7
.185
.156
.117
.025
5.750
146.0
.185
.156
.122
.025
6.000
152.4
.185
.156
.127
.025
6.250
158.7
.216
.156
.132
.025
6.500
165.1
.216
.156
.137
.025
6.750
171.4
.216
.187
.142
.025
+.020
7.000
177.8
.216
.187
.147
.025
-.005
7.500
190.5
.250
.187
.160
.025
8.000
203.2
.250
.187
.170
.025
8.500
215.9
.250
.187
.180
.025
9.000
228.6
.250
.187
.190
.025
9.500
241.3
.250
.187
.200
.025
10.000
254.0
.250
.187
.212
.025
1/ See Table XI and Figure 12.
3.5.2.1.3 Type I, Class 3 retaining rings. Type I, Class 3 retaining rings shall be similar to
Figure 3 and shall conform to the hardness requirements and the dimensions of MS16627 and the
supplementary dimensions of Table III.
11
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