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 5945-00-941-8214
NSN 5990-00-070-9608
NSN 6150-00-734-1443
NSN 5975-00-226-8429
NSN 5996-01-536-2555
NSN 6320-01-018-7073
NSN 5965-01-226-9741
NSN 5905-01-106-7491
NSN 6645-01-259-4231
NSN 5930-01-024-1922
NSN 5930-00-415-4686
NSN 4140-01-569-7183