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 6110-01-413-1514
NSN 5990-00-333-6210
NSN 5996-01-592-5083
NSN 5985-01-166-5892
NSN 6320-01-429-9871
NSN 6130-01-429-8442
NSN 6240-01-058-8868
NSN 5975-01-004-7966
NSN 5998-01-415-2895
NSN 6320-01-103-6218
NSN 6145-00-079-9612
NSN 6105-01-063-7295