MIL-M-48640 (AMENDMENT 1), MILITARY SPECIFICATION: MUZZLE BORESIGHT DEVICE 9364909 (M27 FOR 120MM GUN TUBE) (29-APR-1991)
MIL-M-48640 (AMENDMENT 1), MILITARY SPECIFICATION: MUZZLE BORESIGHT DEVICE 9364909 (M27 FOR 120MM GUN TUBE) (29-APR-1991)., This amendment forms a part of MIL-M-48640(AR), dated 31 January 1986, and is approved for use by the U.S. ArmY Armament, �Munitions, and Chemical Command, and is available for use by all Departments and Agencies of the Department of Defense.