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 7035-00-803-3056
NSN 5950-00-263-7433
NSN 5915-01-546-6653
NSN 6110-01-017-1418
NSN 6645-01-184-9142
NSN 5950-00-721-4437
NSN 5925-00-299-8037
NSN 5910-01-130-8409
NSN 6620-01-324-6864
NSN 5905-01-289-8979
NSN 5945-01-327-3553
NSN 6240-00-715-5118