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 5835-01-602-0311
NSN 6320-01-229-6479
NSN 5930-00-186-9934
NSN 6150-01-514-0095
NSN 5915-01-092-5575
NSN 4140-00-296-9695
NSN 6110-01-182-2674
NSN 6685-01-423-9681
NSN 6650-01-633-9147
NSN 5945-00-369-0918
NSN 5990-01-254-3197
NSN 5985-00-161-0619