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 5950-01-326-2285
NSN 5960-00-973-7882
NSN 6320-01-227-2648
NSN 6220-01-327-0278
NSN 2925-00-132-1280
NSN 6610-01-376-9199
NSN 5835-00-233-6327
NSN 5920-00-633-0404
NSN 6240-01-463-8276
NSN 6645-01-466-2083
NSN 6110-01-016-0887
NSN 5965-01-429-9777