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 5920-00-424-9540
NSN 5999-01-208-1765
NSN 6320-01-338-5950
NSN 5925-01-106-3641
NSN 6135-01-415-1163
NSN 5915-01-382-7268
NSN 6110-00-271-9928
NSN 5985-01-566-0868
NSN 6650-01-106-1868
NSN 5855-01-506-6767
NSN 5990-00-990-1711
NSN 5920-01-235-4758