MIL-PRF-27415A, PERFORMANCE SPECIFICATION: PROPELLANT PRESSURIZING AGENT, ARGON (11 DEC 1997) [SUPERSEDING MIL-P-27415]
MIL-PRF-27415A, PERFORMANCE SPECIFICATION: PROPELLANT PRESSURIZING AGENT, ARGON (11 DEC 1997) [SUPERSEDING MIL-P-27415]., This specification covers the requirements for two grades and two types of argon.