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INCH-POUND MS51957D 25 April 1997 Superseding MS51957C 18 July 1986 MILITARY SPECIFICATION SHEET SCREW, MACHINE, PAN HEAD, 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 shal...