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 5998-01-551-1232
NSN 6610-00-641-3015
NSN 5960-00-403-4617
NSN 6110-00-186-2542
NSN 6620-01-483-1138
NSN 5996-01-078-4620
NSN 5910-00-193-0547
NSN 6685-00-836-4056
NSN 6110-00-236-4161
NSN 5996-01-454-6938
NSN 6110-00-627-7872
NSN 5905-01-631-3909