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.
NSN 5910-01-140-7295
NSN 5999-00-682-4354
NSN 5920-00-724-3815
NSN 5925-01-242-3527
NSN 6150-01-547-8778
NSN 5915-00-495-4665
NSN 4140-01-490-3752
NSN 6685-00-299-8496
NSN 6320-01-050-1290
NSN 6620-00-251-0569
NSN 5965-01-167-3495
NSN 7035-01-423-8343