21% oxygen in nitrogen with less than 1 ppm total hydrocarbons, valve connection is c-10 5/8-18unf, cylinder dimensions are 3.25 inches od by 13.84 inches in height
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 6220-01-529-5617
NSN 6220-01-292-7841
NSN 5935-01-225-9413
NSN 6240-01-487-7516
NSN 6320-01-300-7994
NSN 5996-00-853-3879
NSN 6220-01-575-7741
NSN 6650-01-630-3410
NSN 5950-01-137-1404
NSN 5998-00-734-8314
NSN 6645-01-647-3723
NSN 5975-00-075-5191