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 6240-00-028-9568
NSN 7035-01-021-1413
NSN 6220-01-374-4897
NSN 5965-01-646-1122
NSN 5996-00-161-4202
NSN 5855-01-258-5161
NSN 6610-00-007-1527
NSN 5965-00-238-9870
NSN 5915-01-156-5703
NSN 5945-01-063-6824
NSN 5925-01-607-5491
NSN 5945-00-466-3748