MIL-A-18455C (NOTICE 1), MILITARY SPECIFICATION: ARGON, TECHNICAL (07-JUN-1991)
MIL-A-18455C (NOTICE 1), MILITARY SPECIFICATION: ARGON, TECHNICAL (07-JUN-1991)., MIL-A-18455C, DATED 23 DECEMBER 1986, HAS BEEN REVIEWED AND DETERMINED TO BE VALID FOR ACQUISITION.