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 5895-01-086-3396
NSN 5910-01-502-9178
NSN 5950-01-222-0898
NSN 5965-01-382-9081
NSN 6645-01-328-5583
NSN 2925-01-510-9378
NSN 5950-00-463-4286
NSN 6610-01-468-0679
NSN 5999-00-223-1900
NSN 6135-01-469-6429
NSN 4140-00-185-9694
NSN 6105-01-056-8963