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 6135-01-303-0295
NSN 5915-01-406-4600
NSN 6130-01-451-6925
NSN 6110-01-505-9126
NSN 5915-01-280-5463
NSN 6320-01-239-7647
NSN 5999-01-589-6955
NSN 5975-01-381-3543
NSN 7035-01-145-5059
NSN 5835-01-581-9433
NSN 5975-00-218-0414
NSN 6105-00-399-4704