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 5905-01-284-1341
NSN 5990-01-131-2008
NSN 6145-01-207-0445
NSN 6320-00-218-6105
NSN 6650-00-077-0638
NSN 6240-01-104-5693
NSN 5920-01-073-2537
NSN 5996-00-368-9244
NSN 5935-01-355-3683
NSN 5855-01-199-2046
NSN 6620-01-327-7273
NSN 7035-01-097-8704