MS21283B, MILITARY STANDARD: BOLT, MACHINE - STEEL, DOUBLE HEXAGON, EXTENDED WASHER, .4375-20 (MIL-S-8879 THREAD) (14 JUL 1991) [NO SUPERSEDING DOCUMENT]
MS21283B, MILITARY STANDARD: BOLT, MACHINE - STEEL, DOUBLE HEXAGON, EXTENDED WASHER, .4375-20 (MIL-S-8879 THREAD) (14 JUL 1991) [NO SUPERSEDING DOCUMENT].