Calibrating gas mixture.
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 5975-01-143-1920
NSN 5975-01-523-3298
NSN 5999-00-937-1891
NSN 2925-01-065-0060
NSN 5965-01-063-7894
NSN 6220-01-077-1843
NSN 5905-00-435-5954
NSN 5975-01-475-0167
NSN 6150-00-269-5017
NSN 6145-01-100-8565
NSN 7035-00-834-2090
NSN 5985-00-481-9690