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 6610-01-633-8931
NSN 6110-01-133-3336
NSN 5998-00-629-4415
NSN 4140-01-160-8106
NSN 5999-01-301-9616
NSN 5960-00-402-7564
NSN 6130-00-323-8300
NSN 5915-00-480-9649
NSN 5910-01-228-4730
NSN 6150-01-510-2297
NSN 6135-01-116-3385
NSN 5960-01-443-3067