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 5985-01-631-6108
NSN 5905-01-435-4531
NSN 5930-00-556-0424
NSN 2925-00-964-7128
NSN 2925-00-603-9371
NSN 6620-00-406-7694
NSN 5950-00-276-8584
NSN 6135-00-223-9563
NSN 5910-00-266-8438
NSN 6610-00-782-0761
NSN 6110-01-622-2923
NSN 2925-00-596-9775