6830-00-577-4509 (MIL-G-83794)
NSN 6830-00-577-4509 (NIIN 00-577-4509) is an oxygen-nitrogen in Federal Supply Class 6830, Gases: Compressed And Liquefied — a mixture of specific percentage of oxygen and nitrogen gases to be used in self-contained underwater breathing apparatus. Manufacturer part number MIL-G-83794 (Military Specifications, CAGE 81349); also referenced as BB-N-411, BB-O-925 (Federal Specifications Promulgated); BB-N-411 TY1CL1GRC, BB-O-925 TY1 (General Services Administration).
NIIN assigned January 1963; DEMIL A (none required); unit of issue CF, $60.78 gov standard price.