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 5999-00-050-7773
NSN 5895-01-176-2283
NSN 5965-00-296-9456
NSN 5985-00-821-7894
NSN 6610-01-633-8931
NSN 6620-01-625-2855
NSN 5835-01-085-5487
NSN 5960-00-834-8248
NSN 4140-00-078-9357
NSN 5950-01-369-9476
NSN 4140-00-907-0775
NSN 5975-01-475-8781