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 6220-00-196-2949
NSN 5999-00-963-8950
NSN 5905-00-949-7509
NSN 6610-01-370-8748
NSN 6650-00-012-2430
NSN 2925-00-936-9344
NSN 6320-01-185-3857
NSN 5945-01-029-9311
NSN 6610-01-013-1959
NSN 5915-01-403-2599
NSN 6610-00-191-5317
NSN 5835-01-300-6869