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 5895-00-117-4257
NSN 6110-01-023-3568
NSN 6685-01-274-6320
NSN 6130-01-337-8178
NSN 6150-00-799-4528
NSN 5996-01-362-9732
NSN 5905-00-355-1615
NSN 5835-01-406-4066
NSN 5945-00-400-5256
NSN 5950-01-378-7042
NSN 6105-01-242-2461
NSN 6110-01-223-2706