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 5996-00-907-9748
NSN 6610-01-613-1831
NSN 6135-00-016-0071
NSN 5950-01-557-1886
NSN 5905-01-425-8427
NSN 5990-01-627-8097
NSN 7035-01-595-5270
NSN 5915-00-035-8590
NSN 5925-01-474-3579
NSN 5996-01-224-7914
NSN 6620-00-267-5273
NSN 6110-01-189-8087