Similar to mas p/n 467898 except balance gas is air; dot 39 nrc
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 6220-01-012-2191
NSN 6145-01-115-8258
NSN 5975-00-935-9617
NSN 5915-00-951-5831
NSN 6105-01-413-8033
NSN 5985-00-486-0224
NSN 6685-01-388-2574
NSN 6240-01-219-8545
NSN 5999-01-051-5681
NSN 5925-01-019-1983
NSN 5930-01-370-8406
NSN 5910-01-633-6937