MIL-DTL-21248C
3.5.2.1.9 Type I, Class 9 retaining rings. Type I, Class 9 retaining rings shall be similar to
Figure 9 and shall conform to the hardness requirements and the dimensions of MS3215 and the
supplementary dimensions of Table IX.
FIGURE 9. Type I, Class 9 Retaining Rings.
TABLE IX. Supplementary Dimensions, Type I, Class 9 Retaining Rings.
D
E
Y
V 1/
Nominal
Free
Free
C 1/
Ring Size
Diameter
Outside
Diameter
(Inch)
(Inch)
(Inch)
(Inch)
Inch
mm
Basic
Tol
Max
(Ref)
Max
Max
.094
2.4
.072
+.001
.073
.206
.009
.005
.125
3.2
.093
-.003
.099
.270
.009
+.002
.156
4.0
.113
.117
.335
.015
-.003
.008
.188
4.8
.143
.122
.375
.015
.219
5.6
.182
.138
.446
.015
±.003
.250
6.4
.204
.163
.515
.015
.312
7.9
.242
.181
.588
.025
.375
9.5
.292
.192
.660
.025
.012
.438
11.1
.332
.219
.746
.025
.500
12.7
.385
.222
.810
.043
±.004
.562
14.3
.430
.231
.870
.043
1/ See Table XI and Figure 12.
3.5.2.1.10 Type I, Class 10 retaining rings. Type I, Class 10 retaining rings shall be similar to
Figure 10 and shall conform to the hardness requirements and the dimensions of MS3217 and the
supplementary dimensions of Table X.
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