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 6645-00-819-5045
NSN 5835-01-653-7806
NSN 2925-01-629-9416
NSN 5945-00-199-5984
NSN 5965-01-136-5657
NSN 5835-00-695-9543
NSN 6650-01-461-8283
NSN 6150-01-268-2384
NSN 5945-00-484-9693
NSN 5855-01-023-3727
NSN 6150-00-377-8616
NSN 5990-01-491-1397