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 5935-00-351-8712
NSN 6150-01-307-9773
NSN 5925-00-894-8016
NSN 6650-00-195-7519
NSN 6240-00-368-8541
NSN 5910-00-862-8350
NSN 5990-01-649-4647
NSN 6650-01-630-3038
NSN 5985-00-832-5762
NSN 6320-00-593-0379
NSN 5960-01-446-4446
NSN 6110-01-377-8041