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 5950-00-596-8102
NSN 5915-00-222-6031
NSN 6320-01-562-1599
NSN 6320-00-149-7570
NSN 5905-00-177-7833
NSN 5950-00-446-9287
NSN 5920-01-362-5183
NSN 6645-01-140-0868
NSN 5990-00-974-6943
NSN 5925-00-986-8980
NSN 5990-01-426-7350
NSN 5975-00-632-8772