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 6650-01-397-1925
NSN 6105-01-657-7307
NSN 5945-01-660-1949
NSN 5999-00-337-0849
NSN 6320-01-389-5853
NSN 2925-01-412-9520
NSN 6610-00-891-6370
NSN 6150-01-324-2219
NSN 2925-01-014-8007
NSN 6645-00-536-1524
NSN 7035-00-834-2090
NSN 5915-01-648-7354