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 5998-01-538-2544
NSN 5999-00-402-2416
NSN 6145-01-329-9634
NSN 5910-01-008-6757
NSN 5999-01-642-7537
NSN 5910-01-579-6633
NSN 5930-01-556-6195
NSN 5915-01-048-7252
NSN 5960-01-328-8248
NSN 5895-01-589-9308
NSN 5990-01-386-5561
NSN 6240-00-788-6972