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 5998-00-189-7976
NSN 5950-01-522-2031
NSN 5999-00-982-0036
NSN 5998-01-167-9404
NSN 5895-00-622-0022
NSN 5920-01-577-8526
NSN 6135-00-309-0074
NSN 5835-01-034-1255
NSN 5930-01-008-7921
NSN 5985-01-375-3143
NSN 5999-01-431-7323
NSN 5965-00-232-7395