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 6685-01-542-6604
NSN 5925-01-158-0762
NSN 5930-01-212-8082
NSN 6110-00-072-9394
NSN 6645-01-192-4079
NSN 6320-00-422-9006
NSN 5975-01-143-9396
NSN 5996-01-388-7618
NSN 5945-01-573-7795
NSN 6130-01-634-0603
NSN 6150-01-174-6631
NSN 5925-01-067-5870