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 5999-01-275-4359
NSN 5930-01-110-2646
NSN 6130-01-128-7618
NSN 5945-01-204-7656
NSN 4140-01-197-7658
NSN 5925-01-025-7008
NSN 5960-01-564-5044
NSN 4140-01-531-4299
NSN 5905-01-035-6418
NSN 5895-01-312-3024
NSN 7035-01-476-4085
NSN 6145-01-556-9546