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 6645-01-159-1489
NSN 5999-00-590-3639
NSN 6110-01-549-7019
NSN 5915-00-099-0347
NSN 6130-01-441-2326
NSN 6320-01-160-8578
NSN 5999-00-290-5898
NSN 5950-00-284-7294
NSN 5945-00-599-3469
NSN 5905-01-495-1087
NSN 5920-01-050-6557
NSN 5905-01-023-8181