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 6645-01-384-7791
NSN 5895-01-291-2074
NSN 6685-00-419-0643
NSN 6220-01-299-4392
NSN 5950-00-498-5581
NSN 5960-00-902-9039
NSN 5998-01-085-5671
NSN 6620-01-375-2712
NSN 6130-00-847-1641
NSN 6105-01-344-7302
NSN 6650-00-010-8037
NSN 5895-01-064-7732