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 5975-01-543-4368
NSN 6240-01-598-8177
NSN 5935-01-452-6359
NSN 5835-01-651-7208
NSN 5998-00-911-6626
NSN 6620-00-441-5252
NSN 5996-01-070-1951
NSN 6645-01-024-6447
NSN 5925-01-344-8932
NSN 5960-00-269-4762
NSN 5965-01-136-5657
NSN 2925-01-348-8306