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 6110-00-988-6875
NSN 5905-00-842-6319
NSN 6110-01-097-2501
NSN 5965-00-240-5777
NSN 5905-00-995-3105
NSN 5960-00-942-0934
NSN 5835-01-317-4840
NSN 5910-01-025-6987
NSN 5996-01-131-5238
NSN 5835-01-375-8930
NSN 5915-01-550-4044
NSN 4140-01-608-4315