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 6220-00-623-6473
NSN 6110-01-485-7880
NSN 5990-01-586-8202
NSN 5996-01-569-4799
NSN 5905-01-186-2147
NSN 6650-01-112-0453
NSN 6650-01-347-8075
NSN 5920-00-555-1877
NSN 5925-01-515-5785
NSN 5835-01-447-2544
NSN 5905-00-539-1922
NSN 5999-01-050-0869