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 5915-01-608-7288
NSN 5985-01-585-8932
NSN 6645-00-420-5072
NSN 6135-01-226-4071
NSN 6645-01-487-6282
NSN 6150-00-445-5438
NSN 6320-00-036-3688
NSN 5835-01-455-3380
NSN 5920-00-548-7429
NSN 5930-00-518-1451
NSN 5999-00-963-1430
NSN 4140-01-387-5230