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 5835-01-390-4667
NSN 5910-01-088-6848
NSN 5855-01-045-9728
NSN 5975-00-696-2597
NSN 6110-00-238-4756
NSN 6620-01-603-0852
NSN 5835-01-346-9575
NSN 5975-01-281-8347
NSN 5975-01-617-0158
NSN 5920-00-901-7419
NSN 7035-01-246-3086
NSN 6145-00-233-6010