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 6150-01-621-7780
NSN 6105-01-487-5072
NSN 5999-01-306-0413
NSN 6645-00-183-8812
NSN 7035-01-571-5557
NSN 5945-01-276-6263
NSN 7035-00-991-6877
NSN 6650-00-107-8509
NSN 5910-00-769-1187
NSN 6620-00-244-0965
NSN 2925-01-548-6674
NSN 5999-01-064-2720