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 6610-00-630-4563
NSN 5996-00-959-6511
NSN 5965-01-005-6617
NSN 5855-01-409-1792
NSN 6320-00-270-8222
NSN 6620-01-486-9040
NSN 5835-00-196-9771
NSN 6685-01-029-1971
NSN 5905-01-172-6544
NSN 5910-00-460-7886
NSN 5990-01-264-9759
NSN 4140-00-064-7847