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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 acq...
