MS9573B (NOTICE 1), MILITARY STANDARD: SCREW, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, .164-36 UNJF-3A (31 AUG

MS9573B (NOTICE 1), MILITARY STANDARD: SCREW, MACHINE-DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, SILVER PLATED, .164-36 UNJF-3A (31 AUG 2000) [SUPERSEDED BY SAE-AS9573].