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 4140-00-566-3896
NSN 5835-01-572-6900
NSN 6150-00-404-6605
NSN 5965-01-225-7974
NSN 5950-01-627-3863
NSN 6145-00-679-3142
NSN 6620-00-984-7252
NSN 5935-01-171-9431
NSN 5945-01-291-9108
NSN 5935-01-626-1974
NSN 2925-00-180-2532
NSN 6685-01-329-9121