FED. SUP CLASS
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D |
B |
C |
M |
N |
P |
NUMBER |
(a) T | ||||
NOMINAL |
THREADS |
CUP AND FLAT |
SOCKET DIA |
SOCKET DIA |
|
|
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MAX |
MIN |
MAX |
MIN |
MAX |
MIN |
MAX |
MIN |
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.086 |
56UNC - 3A | .047 | .039 | .050 | .049 | .041 | .040 | .011 | .010 | 6 | .040 |
| .112 | 40UNC - 3A | .061 | .051 | .062 | .061 | .051 | .050 | .014 | .013 | .045 | |
| .138 | 32UNC - 3A | .074 | .064 | .074 | .073 | .064 | .063 | .016 | .015 | .055 | |
| LENGTH | CUP POINT | FLAT POINT | ||||
| L + .010 | DASH NO. | DASH NO. | ||||
| .086-56UNC | .112-40UNC | .138-32UNC | .086-56UNC | .112-40UNC | .138-32UNC | |
| 1/16 | 101 | 111 | 201 | 211 | ||
| 3/32 | 102 | 112 | 202 | 212 | ||
| 1/8 | 103 | 113 | 126 | 203 | 213 | 226 |
| 3/16 | 104 | 114 | 127 | 204 | 214 | 227 |
| 1/4 | 105 | 115 | 128 | 205 | 215 | 228 |
| 5/16 | 106 | 116 | 129 | 206 | 216 | 229 |
| 3/8 | 117 | 130 | 217 | 230 | ||
| 7/16 | 118 | 131 | 218 | 231 | ||
| 1/2 | 119 | 132 | 219 | 232 | ||
(a) KEY
ENGAGEMENT: THESE DIMENSIONS APPLY TO SCREWS ONE DIAMETER IN LENGTH OR LONGER.
FOR SCREWS SHORTER THAN ONE
DIAMETER IN LENGTH, SOCKET TO BE AS DEEP AS PRACTICABLE. |
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| CANCELLED AS OF 17 May 1985. | ||||||
| FOR
DESIGN FEATURE PURPOSES, THIS STANDARD TAKES PRECEDENCE OVER PROCUREMENT DOCUMENTS
REFERENCED HEREIN. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATION FOR BID. |
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| P.A. AIR FORCE-11 | TITLE SETSCREW, FLUTED SOCKET, |
MILITARY STANDARD | ||||
| MS21342(USAF) | ||||||
| PROCUREMENT SPECIFICATION FF-S-200 & MIL-F-18240 |
SUPERSEDES: |
SHEET 1 OF 2 | ||||
| APPROVED 1 JULY 71 REVISED A 17 MAY 85 | ||||||
All prints are for reference purpose only. CAM-TECH manufactures to the latest revision.