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 6150-01-116-2406
NSN 5855-00-688-9954
NSN 6240-00-509-2485
NSN 6610-00-632-9502
NSN 6650-01-282-8015
NSN 6685-01-634-0611
NSN 5960-00-409-3221
NSN 6110-01-386-3093
NSN 5920-00-201-4914
NSN 5855-01-473-2904
NSN 5920-00-271-3217
NSN 6320-01-266-1612