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 6130-01-310-8441
NSN 6130-01-287-3311
NSN 6105-01-443-8670
NSN 5999-01-455-3869
NSN 6620-01-025-4690
NSN 5975-01-497-9071
NSN 6645-01-179-0243
NSN 5999-00-342-6322
NSN 5950-00-962-2923
NSN 6220-00-411-8615
NSN 5925-01-109-5868
NSN 6620-01-401-5356