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 6105-01-441-7974
NSN 5965-00-444-0621
NSN 6645-01-395-2989
NSN 5960-01-609-6565
NSN 5935-00-997-4161
NSN 5985-00-807-3021
NSN 5835-00-980-0468
NSN 5998-00-187-8635
NSN 5920-00-081-5958
NSN 5945-01-596-6410
NSN 7035-01-539-3781
NSN 5855-00-951-6483