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 4140-01-133-2626
NSN 6685-00-663-9000
NSN 5925-01-595-4319
NSN 7035-01-517-1713
NSN 5895-01-141-6459
NSN 6150-01-042-1981
NSN 6320-00-036-3688
NSN 6650-00-273-8732
NSN 6150-01-173-3292
NSN 5960-01-408-6290
NSN 4140-01-649-0333
NSN 5915-00-539-4849