AN530 and AN531
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- AN531 (REV. 5), AIR FORCE-NAVY AERONAUTICAL STANDARD, SCREW, TAPPING, THREAD FORMING OR THREAD CUTTING, 82 DEG., FLAT HEAD, SPACED THREAD (17 FEB 1959)
- AN530, MILITARY STANDARD SCREW, TAPPING, THREAD FORMING OR THREAD CUTTING, ROUND HEAD, SPACED THD (17 FEB 1959) (S/S BY MS51861)
- MS51861A, MILITARY STANDARD SCREW, TAPPING-THREAD FORMING, TYPE AB, PAN HEAD, CROSS-RECESSED (21 FEB 1961) (S/S BY NASM51861)
- FF-S-107C, FEDERAL SPECIFICATION, SCREW, TAPPING AND DRIVE (27 MAY 1969) [SUPERSEDING MIL-S-6033]
