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 5950-01-478-0215
NSN 5925-01-347-5591
NSN 5910-01-004-8744
NSN 6150-01-016-5602
NSN 6610-00-600-9417
NSN 5925-00-104-8310
NSN 6150-01-356-6025
NSN 6240-01-568-6745
NSN 5990-01-188-7309
NSN 4140-01-558-6481
NSN 6645-01-500-0827
NSN 6685-00-729-6498