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 5935-01-341-6805
NSN 6135-00-078-9931
NSN 2925-00-242-7688
NSN 6105-01-374-0557
NSN 5910-01-453-6999
NSN 5950-01-253-2800
NSN 4140-01-269-0383
NSN 5999-00-117-4567
NSN 5920-01-504-9497
NSN 5835-01-024-9249
NSN 5915-01-351-5466
NSN 5999-01-352-8629