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 6620-00-197-5130
NSN 5915-00-552-9598
NSN 6645-01-538-0425
NSN 6240-00-050-4522
NSN 6220-01-633-8634
NSN 5990-01-400-3299
NSN 7035-00-727-4068
NSN 5985-01-028-9247
NSN 5925-01-268-1826
NSN 5990-00-110-1153
NSN 6145-00-223-2885
NSN 5950-00-083-8993