MS51476


FED. SUP CLASS
5305

APPROVED 1 AUG 84         REVISED

MS21342 Fluted, Alloy, Cad Plated, Socket Set Screw

TABLE I. DIMENSIONS AND PART NUMBERS.

D NOMINAL SIZE .112 .138 .164 .190 .250 .3125 .375 .4375 .625
THREADS PER INCH
UNC - 3A
40 32 32 24 20 18 16 14 11
J - SOCKET WIDTH
ACROSS FLATS
NOM .050 .062 .078 .094 .125 .156 .188 .219 .312
Φ C - POINT DIAMETER MAX
MIN
.061
051
.074
064
.087
076
.102
088
.132
118
.172
156
.212
194
.252
232
.371
347
Φ C1 - POINT DIAMETER MAX
MIN
.056
051
.069
064
.082
074
.095
086
.125
114
.156
144
.187
174
.218
204
.312
295
Φ C2 - POINT DIAMETER MAX
MIN
.059
054
.074
068
.090
084
.101
095
.156
150
.190
185
.241
236
.286
281
.425
420
S - POINT LENGTH MAX
MIN
.013
.008
.017
.012
.021
.016
.024
.019
.027
.022
.038
.033
.041
.036
.047
.042
.067
.062
T - KEY ENGAGEMENT MIN .070 .080 .090 .100 .125 .156 .188 .219 .312
L - LENGTH TOLERANCE DASH NO DASH NO DASH NO DASH NO DASH NO DASH NO DASH NO DASH NO DASH NO
.125
.188
.250
.312
.375

.438
.500
.625
+.010 01
02




03

05
06
07


08




09




11

12


14

15




16

17
18






19
.759
1.000
+.020 04 10 13 20
P.A.                AR


Other Cust     SH
                       99
INTERNATIONAL
INTEREST
TITLE
SETSCREW - HEXAGON SOCKET.
CUP POINT, ALLOY STEEL, UNC - 3A
MILITARY STANDARD
MS51476
PROCUREMENT SPECIFICATION
FF-S-200
SUPERSEDES: PAGE       1       of       2
FED. SUP CLASS
5305

APPROVED 1 AUG 84     REVISED






REQUIRMENTS:
  1. MATERIAL : ALLOY STEEL IN ACCORDANCE WITH PROCUREMENT SPECIFICATION.

  2. HARDNESS: 45-53HRC.

  3. FINISH: 2INC COATING IN ACCORDANCE WITH ASTM B633-78, Fe/2n5 (5um), TYPE II.

  4. THREADS:THE THREADS SHALLL BE IN ACCORDANCE WITH FED-STD-H28/2. ACCEPTABILITY OF SCREW THREADS SHALL BE IN ACCORDANCE WITH FED-STD-H28/20, SYSTEM 21.

  5. PART NUMBER: THE BASIC MS PART NUMBER IS FOLLOWED BY A DASH NUMBER TAKEN FROM TABLE 1.
    EXAMPLE: MS51476_01 - SETSCREW, HEXAGON SOCKET, CUP POINT, ALLOY STEEL, 112-40UNC-3A, LENGTH, 125, ZINC COATED.


NOTES:
  1. ALL DIMENSTIONS ARE IN INCHES.

  2. TOLERANCES OF ANGLES IS +5 °. UNLESS OTHERWISE SPECIFIED.

  3. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATION FOR BIDS OR REQUEST FOR PROPOSAL, EXCEPT THAT REFERENCED ADOPTED INDUSTRY DOCUMENTS SHALL GIVE THE DATE OF THE ISSUE ADOPTED.

  4. FOR DESIGN FEATURE PURPOSES, THE STANDARD TAKES PRECEDENCE OVER PROCUREMENT DOCUMENTS REFERENCED HEREIN.





















P.A.                AR


Other Cust     SH
                       99
INTERNATIONAL
INTEREST
TITLE
SETSCREW - HEXAGON SOCKET.
CUP POINT, ALLOY STEEL, UNC - 3A
MILITARY STANDARD
MS51476
PROCUREMENT SPECIFICATION
FF-S-200
SUPERSEDES: PAGE       2       of       2

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