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 5895-01-096-7478
NSN 6110-01-223-5973
NSN 6145-01-550-9633
NSN 5935-00-533-5780
NSN 5925-00-441-7964
NSN 5960-00-654-7300
NSN 6620-01-406-3584
NSN 6650-01-127-4647
NSN 5945-00-457-5742
NSN 6105-01-389-8685
NSN 5905-01-268-5430
NSN 6320-01-544-6447