MIL-M-51113D (AMENDMENT-1) MILITARY SPECIFICATION: MASK, CHEMICAL-BIOLOGICAL,AIRCRAFT, ABC-M24 (27-OCT-1989)

MIL-M-51113D (AMENDMENT-1) MILITARY SPECIFICATION: MASK, CHEMICAL-BIOLOGICAL,AIRCRAFT, ABC-M24 (27-OCT-1989)., This amendment forms a part of MIL-M-51113D(EA), dated 22 September 1986, and is approved for use by the U.S. Army Chemical Research, Development and Engineering Center, Department of the Army and is available for use by all Departments and Agencies of the Department of Defense.