This is a multi use cylinder without a valve. This cylinder is use with various gases, air, oxygen, nitrogen, helium or helium/oxygen mixes
NSN 5945-01-175-8209
NSN 6320-01-359-3921
NSN 5895-01-346-9018
NSN 6150-00-241-5439
NSN 5905-01-589-5380
NSN 5935-01-276-4707
NSN 4140-00-880-0759
NSN 5985-01-303-6157
NSN 6650-01-087-7665
NSN 6620-01-024-7003
NSN 6105-01-300-7594
NSN 5925-01-450-1808