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 5975-00-486-8518
NSN 6320-01-631-7828
NSN 5855-00-494-9581
NSN 5998-00-153-3828
NSN 5895-01-581-8936
NSN 7035-01-375-3719
NSN 6105-01-480-6179
NSN 6145-01-392-4683
NSN 5975-00-244-0706
NSN 6220-00-209-4368
NSN 6220-01-203-7555
NSN 5960-00-116-9989