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 5905-01-137-8898
NSN 6150-01-509-6788
NSN 5910-00-818-4465
NSN 2925-00-542-8285
NSN 6650-00-465-7654
NSN 5960-00-775-9056
NSN 5895-01-553-2778
NSN 5855-01-487-5048
NSN 4140-01-103-7089
NSN 6220-00-455-0221
NSN 5960-01-445-3622
NSN 5950-01-564-9774