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 5935-00-759-2453
NSN 5930-01-009-2986
NSN 5925-00-222-8263
NSN 5835-01-155-8301
NSN 6610-01-216-6866
NSN 6135-00-168-9352
NSN 5960-01-462-6267
NSN 6320-01-096-6649
NSN 6105-00-399-4704
NSN 6240-01-348-8975
NSN 6110-01-131-2811
NSN 5915-00-971-4863