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 5975-00-902-8238
NSN 5910-01-293-9918
NSN 5998-01-597-7664
NSN 5965-00-768-4366
NSN 5950-01-501-5682
NSN 5935-01-417-2074
NSN 6685-01-263-5416
NSN 5965-01-645-4101
NSN 5910-00-670-7526
NSN 6220-00-809-6071
NSN 6220-01-399-3680
NSN 6645-00-841-0026