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 6620-00-179-9079
NSN 5985-01-362-6859
NSN 5950-01-484-0640
NSN 5935-01-446-3456
NSN 7035-00-553-6951
NSN 6610-00-032-3536
NSN 6645-01-259-7142
NSN 5996-01-181-5438
NSN 6105-01-511-0383
NSN 5835-00-469-3395
NSN 5910-01-543-2804
NSN 5950-00-312-4321