MS21294B (NOTICE 2), MILITARY SPECIFICATION: BOLT, MACHINE - STEEL, DRILLED, DOUBLE HEXAGON, EXTENDED WASHER, .5625-18 (MIL-S-8879 THREAD) (01 OCT 1997)
MS21294B (NOTICE 2), MILITARY SPECIFICATION: BOLT, MACHINE - STEEL, DRILLED, DOUBLE HEXAGON, EXTENDED WASHER, .5625-18 (MIL-S-8879 THREAD) (01 OCT 1997).