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 6135-01-566-1034
NSN 6645-00-634-9317
NSN 5930-01-139-3328
NSN 5945-01-281-5610
NSN 5990-00-197-0159
NSN 6105-00-707-2743
NSN 5960-00-597-2680
NSN 5935-01-634-0668
NSN 5998-00-095-8448
NSN 6135-01-056-4609
NSN 6220-01-460-1391
NSN 5945-00-679-8944