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 6130-01-410-8529
NSN 5998-00-489-7557
NSN 5990-00-010-8186
NSN 5960-01-303-9395
NSN 6685-01-418-3015
NSN 5985-01-268-9600
NSN 5996-01-462-5332
NSN 5975-01-611-0160
NSN 5935-00-925-2536
NSN 5998-00-241-5134
NSN 6685-00-715-1795
NSN 6220-01-547-9434