MIL-P-27415, MILITARY SPECIFICATION: PROPELLANT PRESSURIZING AGENT, ARGON (02 AUG 1976) [S/S BY MIL-PRF-27415A]
MIL-P-27415, MILITARY SPECIFICATION: PROPELLANT PRESSURIZING AGENT, ARGON (02 AUG 1976) [S/S BY MIL-PRF-27415A]., This specification covers the requirements for two grades and two types of argon.