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 6105-01-486-3600
NSN 4140-00-552-7370
NSN 2925-01-446-6976
NSN 5930-00-081-8357
NSN 5920-00-579-2286
NSN 2925-00-035-5633
NSN 6150-01-239-3636
NSN 6685-01-071-7520
NSN 5835-01-055-6859
NSN 6650-01-471-6476
NSN 5990-00-873-3079
NSN 6620-01-078-6372