Air that is used exclusively for human respiration.
NSN 5895-01-483-6347
NSN 5835-00-399-5358
NSN 5945-01-481-9061
NSN 5935-01-642-6529
NSN 5999-01-498-2622
NSN 6110-01-392-1936
NSN 2925-01-633-4048
NSN 6110-01-577-0286
NSN 6240-01-318-9356
NSN 5960-00-248-3094
NSN 6685-01-245-8952
NSN 6645-01-370-5264