33 cubic feet, 20.9%o2/n2
A predetermined mixture of 2 or more gases in which each component is measured to extreme accuracy and its contents certified. It is normally used to standardize and assure the accuracy of highly sensitive laboratory equipment.
NSN 6685-00-822-2467
NSN 5915-01-165-5332
NSN 5910-01-067-7406
NSN 5935-01-266-9977
NSN 7035-01-181-2705
NSN 6320-01-488-5581
NSN 5905-00-206-1943
NSN 7035-01-045-7202
NSN 2925-01-231-6312
NSN 6150-01-064-4848
NSN 4140-01-040-1700
NSN 5975-01-423-4655