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 6105-01-137-2679
NSN 5998-01-073-3551
NSN 2925-01-370-6898
NSN 6105-01-050-7795
NSN 5835-01-100-7405
NSN 5925-01-151-6518
NSN 5975-01-634-0678
NSN 5905-01-182-3459
NSN 5905-01-095-0682
NSN 6105-01-337-5774
NSN 6620-01-451-3742
NSN 5920-01-356-0431