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 5990-00-301-3386
NSN 5945-01-447-3354
NSN 6110-00-631-7196
NSN 6150-00-982-2785
NSN 5990-01-501-5409
NSN 5835-01-449-7511
NSN 5945-01-242-5334
NSN 5920-01-229-2709
NSN 5935-01-487-5143
NSN 5965-00-421-9007
NSN 5920-01-224-7028
NSN 5920-01-286-2597