INCH-POUND
MS9090D
4 AUGUST 2011
SUPERSEDING MS9090C
12 JUNE 1987
DETAIL SPECIFICATION SHEET
Reactivated after 4 August 2011 and may be used for new and existing designs and acquisitions.
BOLT MACHINE, DRILLED 12 POINT HEAD, STEEL, .3125-24 UNF-3A
This specification sheet is approved for use by all Departments and Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist of this specification sheet and procurement specification AMS 7452.
.003 B 63
MATERIAL INDENTIFICATION RAISED OR DEPRESSED .010 MAX
0.070 4 HOLES EQUALLY SPACED AS SHOWN CSK 90°
TO 0.100
.376
.367
.375
.285
.176
.080
.070
K TO FULL THD
.025
L
THD RUNOUT IN ACCORDANCE WITH SAE-AS3062-79
CHAMFER
250
E11
45°
250
5° MAX
R .015
63
.047 X 45° APPROX
0.500
.015 B
MIN
0.206
.015 B CHAMFER 30°
TO 0.375
40°
35°
140° MIN
.289
.279
.357
.347
.3125-24 UNF-3A
-A-
SEE REQT 2
32
R .015
20°
17°
40°
35°
SECTION THRU THREAD PROFILE
OPTIONAL SHAPE OF HEAD
FIGURE 1 - BOLT
AMSC N/A FSC 5306
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