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 5950-01-649-2376
NSN 6685-01-301-1847
NSN 6620-00-079-0311
NSN 6650-01-083-1969
NSN 5905-01-208-9591
NSN 5960-00-557-0772
NSN 2925-01-358-8346
NSN 5895-00-918-2386
NSN 5975-01-536-5576
NSN 6105-01-533-4725
NSN 6135-01-151-2705
NSN 5915-01-633-9845