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 5835-00-997-2743
NSN 5996-01-658-4658
NSN 5915-01-512-8851
NSN 6685-01-467-3035
NSN 6150-01-333-8966
NSN 4140-01-614-1641
NSN 5835-00-624-1548
NSN 6685-01-536-2538
NSN 6620-01-652-4349
NSN 6145-01-396-5647
NSN 5915-00-449-7470
NSN 6130-01-429-9013