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 5835-00-064-5312
NSN 5920-01-424-2965
NSN 6645-00-140-5173
NSN 5905-01-092-4202
NSN 5905-01-531-0496
NSN 6110-01-177-9375
NSN 5910-00-107-0569
NSN 5965-00-226-0209
NSN 5855-00-832-9341
NSN 5975-01-507-0732
NSN 5985-01-474-3781
NSN 5985-00-806-8029