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 6685-01-480-2652
NSN 5996-00-248-7061
NSN 5920-01-412-8415
NSN 6610-01-014-3964
NSN 5975-00-157-9676
NSN 5855-01-010-4921
NSN 6610-01-163-7062
NSN 6650-00-453-9195
NSN 6150-01-280-4289
NSN 6610-00-226-4710
NSN 5835-00-221-6628
NSN 5935-00-362-3873