6830-01-523-7053 (MIL-A-18455)
NSN 6830-01-523-7053 (NIIN 01-523-7053) is a hydrogen-argon in Federal Supply Class 6830, Gases: Compressed And Liquefied. Manufacturer part number MIL-A-18455 (Military Specifications, CAGE 81349); also referenced as BB-H-886 (Federal Specifications Promulgated).
NIIN assigned September 2004; DEMIL A (none required); unit of issue CY, $70.59 gov standard price.