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 5920-01-658-0436
NSN 7035-01-216-4806
NSN 5950-01-132-5008
NSN 5895-01-410-8742
NSN 5905-01-423-8613
NSN 5996-01-151-8720
NSN 6650-01-297-1652
NSN 5905-01-086-7658
NSN 5925-00-863-4232
NSN 6610-00-739-5096
NSN 5999-01-074-6319
NSN 6145-00-265-6205