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 5895-00-280-7528
NSN 6320-01-326-1316
NSN 5925-01-154-4189
NSN 5915-01-188-5568
NSN 5835-01-384-3206
NSN 5855-01-216-7633
NSN 6240-01-186-6448
NSN 6610-01-160-8815
NSN 5950-01-554-5183
NSN 4140-00-643-3744
NSN 5999-01-556-6928
NSN 6240-01-509-9606