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MIL-DTL-21248 Ring, Retaining \(Tapered And Reduced Section Type\)This specification covers the procurement requirements for tapered and reduced section type retaining rings of rectangular and beveled cross-section.

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MIL-DTL-21248C
TABLE VI. (Continued)
V 1/
Q
J
Z
Y
L
C 1/
Nominal
(Free gap)
Ring Size
(Inch)
(Inch)
(Inch)
(Inch)
(Inch)
(Inch)
(Inch)
Inch  mm
Basic  Tol
Basic  Tol
Basic  Tol
Basic
Tol
Ref
Max
Max
1.125
28.6
.922
.080
.364
.108
.998
1.250
31.7
1.026
+.020 .093
.405
+.015
.125
±.020
1.113
1.375
34.9
1.130
-.025 .098
±.007
.446
-.020
.136
1.224
.048
.012
1.500
38.1
1.230
.106
.485
.148
1.331
±.030
.054
1.750
44.4
1.436
.123
.567
.170
1.554
+.025
+.017
-.030 .143
-.024
2.000 50.8
1.640
.647
.196
1.776
1/ See Table XI and Figure 12.
3.5.2.1.7 Type I, Class 7 retaining rings. Type I, Class 7 retaining rings shall be similar to
Figure 7 and shall conform to the hardness requirements and the dimensions of MS90707 and the
supplementary dimensions of Table VII.
FIGURE 7. Type I, Class 7 Retaining Rings.
17



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