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 6105-01-508-5937
NSN 5930-00-038-7775
NSN 6145-01-125-9064
NSN 6240-01-421-9388
NSN 6610-01-336-2787
NSN 5950-00-137-6482
NSN 6650-01-359-7887
NSN 6320-01-539-3156
NSN 5990-01-548-3711
NSN 7035-00-549-2722
NSN 5990-01-026-8628
NSN 6645-00-211-6906