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 5915-01-196-6016
NSN 5895-00-177-7924
NSN 5990-01-053-5115
NSN 5910-01-313-9606
NSN 5835-01-439-0180
NSN 5965-01-362-6705
NSN 6650-01-462-5879
NSN 5975-00-193-3083
NSN 6150-01-226-8433
NSN 5996-00-405-3302
NSN 5950-00-928-7887
NSN 6645-00-076-3317