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 6135-01-252-0315
NSN 5905-01-532-8287
NSN 6130-00-235-1000
NSN 5915-00-929-2533
NSN 6130-00-573-0622
NSN 5996-00-245-2313
NSN 5990-01-581-5103
NSN 6150-00-197-8431
NSN 5855-01-581-4629
NSN 5975-01-307-1716
NSN 5935-01-132-9834
NSN 5935-01-146-8558