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 5990-01-177-2838
NSN 6650-00-776-7200
NSN 6650-01-437-8423
NSN 5925-01-145-5484
NSN 6620-01-018-9488
NSN 6220-00-545-6395
NSN 6105-00-186-9380
NSN 5965-00-617-5731
NSN 7035-00-470-4977
NSN 6105-00-596-9962
NSN 5950-01-273-1042
NSN 6110-01-629-2210