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 5835-00-491-3834
NSN 5925-01-449-1559
NSN 5960-01-598-9072
NSN 5915-00-269-4463
NSN 5835-00-243-0594
NSN 5855-00-149-0766
NSN 5915-01-100-1180
NSN 6145-01-380-8948
NSN 5835-01-286-6499
NSN 6145-00-925-2004
NSN 5915-01-331-4023
NSN 5920-00-899-3384