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 6650-01-430-9416
NSN 5945-01-398-5526
NSN 6130-00-344-8161
NSN 5975-01-055-6206
NSN 6220-01-459-1508
NSN 6650-01-412-1040
NSN 6320-00-894-1644
NSN 6145-01-424-1351
NSN 6130-01-146-2591
NSN 5895-01-267-4057
NSN 5996-00-875-1644
NSN 6685-01-424-1542