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 5935-01-012-1850
NSN 7035-01-424-7019
NSN 6320-01-531-4997
NSN 6145-01-495-0059
NSN 5920-00-871-1045
NSN 5996-00-979-9881
NSN 5996-01-544-9731
NSN 5999-01-497-7584
NSN 5905-00-812-1140
NSN 6620-00-618-1765
NSN 5930-00-854-9094
NSN 5935-01-533-3844