4 pct porm 0.4 pct argon iaw mil-a-18455; remainder oxygen iaw mil-o 27210, type i
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 5999-01-114-6313
NSN 5965-01-313-1544
NSN 6610-01-278-2446
NSN 5990-01-642-5748
NSN 5930-00-502-5241
NSN 6645-00-116-1409
NSN 6145-01-492-0855
NSN 4140-00-879-9990
NSN 5925-01-020-9501
NSN 5996-00-959-4892
NSN 5960-00-091-8729
NSN 5965-01-578-2280