MS51959D
MS51959D is SCREW manufactured by Unknown Manufacturer.
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INCH-POUND MS51959D 25 April 1997 Superseding MS51959C 2 April 1971 MILITARY SPECIFICATION SHEET SCREW, MACHINE, FLAT COUNTERSUNK HEAD, 82°, CROSS-RECESSED, CORROSION
- RESISTANT STEEL, UNC-2A This specification 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 the issue of the following specification listed in that issue of the Department of Defense Index of Specifications and Standards (Do DISS) specified in the solicitation: FF-S-92.
∅A
D Entire document revised
AMSC N/A 1 of 4 DISTRIBUTION STATEMENT A. Approve for public release; distribution is unlimited.
FSC 5305
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MS51959D Table I. Dimensions and Dash Numbers.
∅D Nominal Size
.0860 Max Min Max Sharp Min Sharp Abs Min 56 .0860 .0717 .172 .156 .147 .051 .036 .028 .034 .013 1 300 Dash No. 1 2 3 4 5 6 7 8 9 10
1/
.1120 40 .1120 .0925 .225 .207 .195 .067 .047 .038 .045 .017 1 480 Dash No. 11 12 13 14 15 16 17 18 19 20 21 22 23
1/
.1380 32 .1380 .1141 .279 .257 .244 .083 .059 .045 .055 .021 2 730 Dash No. 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
.1640 32 .1640 .1399 .332 .306 .292 .100 .070 .058 .066 .025 2 1,120 Dash No. 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
1/ 1/ 1/ 1/
.1900 24 .1900 .1586 .385 .359 .340 .116 .081 .068 .076 .029 2 1,400 Dash No. 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
1/ 1/ 1/
.2500 20 .2500 .2127 .507 .477 .452 .153 .107 .092 .100 .038 3 2,540 Dash No.
.3125 18 .3125 .2712 .635 .600 .568 .191 .134 .116 .125 .047 4 4,190 Dash No.
.3750 16 .3750 .3287 .762 .722 .685 .230 161 .140 .150 .056 4 6,200 Dash No.
Threads Per Inch UNC-2A
∅ D1 Body Diameter ∅A Head Diameter
H Head Height
- Full Head Ref H1 Head Height Max Min R Radius-Full Head Min R1 Radius
- Undercut Head Max Driver Size Tensile Strength Lbs-Min L Length Tolerance .125 .188 .250...
