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 6150-00-428-1578
NSN 5990-00-410-6202
NSN 5965-00-862-3295
NSN 5965-01-435-6644
NSN 5835-01-555-8963
NSN 5915-01-633-9845
NSN 5985-01-217-0934
NSN 5960-01-292-0027
NSN 5855-00-610-4052
NSN 5990-01-226-6924
NSN 6240-01-556-7096
NSN 6110-00-776-5961