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 5985-00-343-3632
NSN 7035-01-341-4310
NSN 6130-01-154-5619
NSN 7035-01-143-0355
NSN 6320-00-089-9425
NSN 5998-01-545-5580
NSN 6145-00-762-1099
NSN 5895-00-063-0591
NSN 5920-01-117-0522
NSN 5930-00-900-3553
NSN 5935-00-727-7862
NSN 6110-01-273-1254