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 5905-01-554-1884
NSN 6650-00-758-4763
NSN 6150-01-364-0545
NSN 5920-00-820-2706
NSN 5965-00-925-7314
NSN 5960-01-491-2993
NSN 2925-01-302-8591
NSN 6610-01-390-6925
NSN 6685-01-127-4039
NSN 5965-00-566-4221
NSN 6150-01-605-0026
NSN 6135-00-812-9039