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 6620-01-100-7350
NSN 5950-01-100-9528
NSN 5975-01-587-7036
NSN 6320-01-434-6861
NSN 5975-01-382-8542
NSN 5960-01-395-1164
NSN 5960-00-951-5684
NSN 5975-01-508-0206
NSN 5998-01-347-6740
NSN 5895-01-556-1959
NSN 5945-01-050-8326
NSN 6150-01-428-2630