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 5835-01-384-3206
NSN 5996-01-018-8542
NSN 5910-01-474-1123
NSN 5999-01-067-2276
NSN 6105-01-619-9791
NSN 6610-00-186-9180
NSN 6320-01-567-9792
NSN 5895-00-828-1642
NSN 5975-00-169-1401
NSN 5920-01-308-4761
NSN 6620-01-227-7219
NSN 5835-01-595-4099