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 6130-01-555-7854
NSN 5910-00-943-0336
NSN 5990-00-378-1449
NSN 5905-01-616-4892
NSN 6110-01-224-4858
NSN 4140-00-060-8693
NSN 6135-01-507-4346
NSN 5950-01-129-6751
NSN 5965-01-468-0587
NSN 6145-01-077-8960
NSN 5960-00-199-6034
NSN 5835-00-885-6030