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
6.750
171.4
2.450
±.280
.187
.152
.025
7.000
177.8
2.550
.187
.157
.025
7.250
184.1
2.635
.187
.162
.025
7.500
190.5
2.710
.187
.170
.025
7.750
196.8
2.820
.187
.025
8.000
203.2
2.910
.187
.180
.025
8.250
209.5
3.000
.187
+.020
.185
.025
±.320
8.500
215.9
3.050
.187
-.005
.190
.025
8.750
222.2
3.140
.187
.197
.025
9.000
228.6
3.230
.187
.202
.025
9.250
235.0
3.310
.187
.025
9.500
241.3
3.380
.187
.215
.025
9.750
247.7
3.510
.187
.025
10.000
254.0
3.580
.187
.225
.025
1/ See Table XI and Figure 12.
3.5.2.1.2 Type I, Class 2 retaining rings. Type I, Class 2 retaining rings shall be similar to
Figure 2 and shall conform to the hardness requirements and the dimensions of MS16624 and the
supplementary dimensions of Table II.
FIGURE 2. Type I, Class 2 retaining rings.
8
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