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 6150-01-506-8773
NSN 2925-01-623-6438
NSN 6105-01-320-6532
NSN 5975-01-632-1177
NSN 5895-00-073-9422
NSN 5930-01-033-2210
NSN 5905-01-375-0253
NSN 5975-01-621-8831
NSN 5910-01-451-4905
NSN 6150-01-274-8897
NSN 5990-01-386-5561
NSN 5985-00-997-2503