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 5925-00-732-8916
NSN 5910-01-558-9720
NSN 5960-01-386-5770
NSN 6135-01-443-4484
NSN 5915-00-935-4984
NSN 5925-01-323-7756
NSN 6130-01-222-0475
NSN 6150-01-315-1344
NSN 5935-00-523-3442
NSN 5920-00-906-2500
NSN 5835-01-592-2350
NSN 5945-01-273-3808