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 5935-00-950-2848
NSN 5945-00-163-3556
NSN 6645-01-123-7563
NSN 5950-00-219-6537
NSN 5998-01-619-2979
NSN 6610-01-266-3447
NSN 2925-00-504-2363
NSN 6240-01-082-2902
NSN 6130-00-957-1996
NSN 5965-01-140-9446
NSN 5985-00-361-8863
NSN 6220-01-156-4564