MIL-B-63954, MILITARY SPECIFICATION, BOLT ASSEMBLY, DOOR FOR WADS (26 APR 1988)

MIL-B-63954, MILITARY SPECIFICATION, BOLT ASSEMBLY, DOOR FOR WADS (26 APR 1988)., This military specification covers one type of pneumatically operated bolt, designated Door Bolt Assembly, which is used as a redundant locking system on storage bunker doors in the WADS program.