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 5950-01-496-8879
NSN 6320-00-242-3300
NSN 5998-01-153-2689
NSN 6135-00-488-4478
NSN 5965-01-559-1056
NSN 6110-00-875-9550
NSN 6685-00-455-9941
NSN 5910-01-467-2404
NSN 6320-01-090-8296
NSN 5990-01-649-4647
NSN 6150-01-417-2660
NSN 5996-00-781-1429