Third end ms33656 for 5/16 in. Od tubing; oxygen cleaning required per air force drawing or equivalent spec.
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 6105-01-061-8627
NSN 6685-01-026-0111
NSN 5945-01-100-5482
NSN 5935-01-219-6511
NSN 6610-01-473-5678
NSN 5915-01-626-3674
NSN 5990-01-431-6749
NSN 6145-01-090-4910
NSN 5960-01-495-0859
NSN 5920-01-503-4624
NSN 5945-01-344-6175
NSN 6130-01-555-3144