MS21279B, MILITARY STANDARD: BOLT, MACHINE - STEEL, DOUBLE HEXAGON, EXTENDED WASHER, .190-32 (MIL-S-8879) (ASG) (17 SEP 1963)
MS21279B, MILITARY STANDARD: BOLT, MACHINE - STEEL, DOUBLE HEXAGON, EXTENDED WASHER, .190-32 (MIL-S-8879) (ASG) (17 SEP 1963).