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 6320-01-373-9355
NSN 6620-01-423-7300
NSN 6650-01-615-4842
NSN 6110-00-421-7656
NSN 5945-01-146-1955
NSN 5996-01-412-6513
NSN 6145-01-089-7207
NSN 6650-00-937-5319
NSN 5895-00-827-0240
NSN 5905-00-151-6653
NSN 6220-00-960-7591
NSN 5960-01-054-9639