FF-S-92B (AMENDMENT 1), FEDERAL SPECIFICATION: SCREW, MACHINE, SLOTTED, CROSS RECESSED OR HEXAGON HEAD (31 JUL 1975)

FF-S-92B (AMENDMENT 1), FEDERAL SPECIFICATION: SCREW, MACHINE, SLOTTED, CROSS RECESSED OR HEXAGON HEAD (31 JUL 1975)., This amendment, which forms a part of Federal Specification FF-S-92B, date August 27, 1974, was approved by the Commissioner, Federal Supply Service, General Services Administration, for the use of all Federal Agencies.