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 6145-00-188-3657
NSN 5895-00-011-3634
NSN 6320-01-113-7647
NSN 6620-00-324-0930
NSN 5835-00-275-0584
NSN 5990-00-428-1895
NSN 5996-01-181-7057
NSN 5915-01-564-7706
NSN 7035-01-092-5723
NSN 6110-01-451-2013
NSN 5910-00-310-3754
NSN 5835-01-426-6573