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 6320-01-198-4024
NSN 5930-01-649-2165
NSN 5855-01-096-9294
NSN 7035-00-111-4389
NSN 5945-00-172-9119
NSN 5925-00-575-2986
NSN 5985-01-200-7497
NSN 5999-00-972-7321
NSN 5935-00-568-9861
NSN 5855-00-118-8762
NSN 6145-01-427-9844
NSN 5975-00-012-4376