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 6650-01-157-8806
NSN 6145-00-925-2004
NSN 5905-00-407-6384
NSN 6150-00-184-9719
NSN 6145-01-411-5895
NSN 5835-01-004-2563
NSN 6130-01-519-2459
NSN 6620-01-083-3793
NSN 5945-00-762-0571
NSN 6110-00-245-6005
NSN 5855-01-561-8141
NSN 5990-01-132-4156