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 5996-00-322-3407
NSN 6650-00-455-9457
NSN 6645-00-085-7603
NSN 5915-01-281-0471
NSN 5999-01-223-6383
NSN 5925-01-060-3403
NSN 5920-01-419-5271
NSN 6650-01-488-6418
NSN 5895-01-302-8725
NSN 6105-01-397-0804
NSN 6110-01-163-2953
NSN 7035-00-981-7216