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 5855-01-295-2313
NSN 5950-01-013-9382
NSN 6650-00-091-6989
NSN 5975-00-553-7151
NSN 5990-01-392-5682
NSN 5965-01-475-3024
NSN 5920-00-110-7796
NSN 6645-01-650-1860
NSN 5960-01-081-7745
NSN 5895-01-386-3049
NSN 5855-01-040-3881
NSN 5835-00-224-9148