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 6145-01-138-4252
NSN 5935-00-791-5649
NSN 5990-00-033-8128
NSN 6610-01-024-5360
NSN 5915-01-384-9754
NSN 5835-00-233-6327
NSN 2925-00-265-7539
NSN 5998-01-346-5386
NSN 5920-01-279-4359
NSN 6240-01-542-8886
NSN 6135-00-269-5843
NSN 5910-01-093-1781