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 5998-00-843-1125
NSN 5915-01-056-5141
NSN 5915-00-456-2227
NSN 7035-00-205-1932
NSN 5895-01-407-3166
NSN 6130-01-382-8000
NSN 5835-00-341-5441
NSN 6110-01-327-4109
NSN 5985-01-104-5450
NSN 5985-01-417-2139
NSN 5910-01-395-6716
NSN 6240-00-426-1972