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 5835-01-045-6371
NSN 5925-01-451-3584
NSN 5930-00-804-3471
NSN 5999-01-491-5457
NSN 5905-01-447-6862
NSN 4140-00-523-9058
NSN 6110-01-631-4165
NSN 5855-00-832-9341
NSN 5999-01-195-2562
NSN 6110-01-178-2848
NSN 5960-01-068-4003
NSN 5925-01-113-8272