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 5905-01-487-6905
NSN 5835-00-009-2862
NSN 5975-00-108-6464
NSN 5945-00-467-1730
NSN 5920-01-503-3653
NSN 6105-01-599-1590
NSN 5990-01-562-4521
NSN 5960-00-226-4977
NSN 6645-01-590-5534
NSN 2925-01-129-1261
NSN 7035-01-545-0834
NSN 4140-01-145-6524