Calibrating gas mixture.
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 6240-01-248-4789
NSN 2925-00-103-6822
NSN 6130-01-528-2790
NSN 6150-01-179-5383
NSN 6130-00-143-7304
NSN 6130-01-641-1294
NSN 6320-01-325-5600
NSN 5855-01-410-8979
NSN 5990-00-900-4459
NSN 5998-01-502-1816
NSN 5999-00-456-0603
NSN 5925-01-469-6068