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 5950-01-590-8977
NSN 4140-00-397-2205
NSN 6650-01-154-1870
NSN 4140-01-476-5436
NSN 5950-00-233-9245
NSN 5920-01-160-6050
NSN 5990-01-411-5930
NSN 5999-01-027-1252
NSN 5835-01-013-6901
NSN 6620-01-492-8470
NSN 6130-01-179-4008
NSN 6685-00-383-3393