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 5960-01-406-0299
NSN 4140-00-249-5603
NSN 6685-01-437-0209
NSN 5910-01-237-1701
NSN 6650-01-345-1340
NSN 5910-00-330-9539
NSN 5945-01-467-1848
NSN 5945-00-596-2665
NSN 5925-00-830-8148
NSN 5965-01-504-6139
NSN 5935-01-483-9831
NSN 5985-00-938-8366