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 6610-01-213-9288
NSN 5905-01-512-0507
NSN 6620-00-242-7032
NSN 6645-01-068-6524
NSN 6320-01-280-5091
NSN 6220-01-249-1774
NSN 5905-01-364-9156
NSN 6105-00-088-7615
NSN 6320-01-195-5583
NSN 5975-00-445-9926
NSN 5905-01-156-8677
NSN 2925-01-429-2235