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 5920-01-126-5904
NSN 5965-01-490-6704
NSN 5985-00-613-8803
NSN 5999-01-100-0921
NSN 5965-00-879-7287
NSN 6145-01-174-5268
NSN 5925-01-039-5391
NSN 5895-01-109-6429
NSN 6620-01-444-4048
NSN 5935-01-121-2370
NSN 6110-00-725-9740
NSN 5996-01-400-0917