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 6220-01-132-7106
NSN 5985-01-350-2945
NSN 6685-01-444-1496
NSN 5935-01-209-9252
NSN 5999-00-955-9898
NSN 5910-00-351-2944
NSN 5905-01-542-4963
NSN 6105-00-689-5643
NSN 6135-01-647-5692
NSN 5930-00-162-3740
NSN 5835-01-203-0450
NSN 5950-00-250-7037