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 5945-01-563-9073
NSN 5855-01-078-4180
NSN 5855-01-398-4965
NSN 5998-01-621-4615
NSN 6240-00-753-2031
NSN 6135-00-708-0892
NSN 5985-01-556-4421
NSN 5930-00-205-9157
NSN 6110-01-486-0403
NSN 6105-01-199-7489
NSN 5915-00-717-2315
NSN 5950-01-027-0695