AN530 (REV. 6) (NOTICE-1), MILITARY STANDARD: SCREW, TAPPING, THREAD FORMING OR THREAD CUTTING, ROUND HEAD, SPACED THD (22-AUG-1991) [S/S BY MS51861]

AN530 (REV. 6) (NOTICE-1), MILITARY STANDARD: SCREW, TAPPING, THREAD FORMING OR THREAD CUTTING, ROUND HEAD, SPACED THD (22-AUG-1991) [S/S BY MS51861]., Cancelled and replaced by MS51861.