21% oxygen in nitrogen with less than 1 ppm total hydrocarbons, valve connection is c-10 5/8-18unf, cylinder dimensions are 3.25 inches od by 13.84 inches in height
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 5998-00-825-2691
NSN 6105-01-003-7959
NSN 6620-00-932-4306
NSN 6135-00-162-2437
NSN 6105-01-085-6002
NSN 5895-00-813-6249
NSN 6620-01-397-4131
NSN 5985-00-803-4562
NSN 5990-01-181-9886
NSN 4140-01-181-9669
NSN 5855-01-605-2438
NSN 6620-00-118-1983