MS21288B, MILITARY STANDARD: BOLT, MACHINE - STEEL, DRILLED DOUBLE HEXAGON, EXTENDED WASHER, .190-32 (MIL-S-8879 THREAD) (17 SEP 1963)
MS21288B, MILITARY STANDARD: BOLT, MACHINE - STEEL, DRILLED DOUBLE HEXAGON, EXTENDED WASHER, .190-32 (MIL-S-8879 THREAD) (17 SEP 1963).