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 5935-00-106-6101
NSN 6105-00-527-2193
NSN 5996-00-890-3350
NSN 5950-01-577-2308
NSN 6105-01-398-1674
NSN 6685-00-866-4596
NSN 7035-01-437-4137
NSN 5835-01-084-6997
NSN 5975-01-627-5393
NSN 6110-01-304-7679
NSN 5996-01-512-6170
NSN 7035-01-544-2502