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 5945-01-532-8378
NSN 6320-01-449-1014
NSN 4140-00-823-9194
NSN 6610-01-433-7899
NSN 6220-01-592-6113
NSN 5965-01-197-6924
NSN 5835-00-518-4507
NSN 5985-00-671-5933
NSN 5960-01-325-2241
NSN 5925-00-202-8715
NSN 5950-01-556-7989
NSN 5915-01-174-8995