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 5985-01-610-0691
NSN 5996-01-474-6203
NSN 6105-00-811-1990
NSN 5945-01-288-7544
NSN 5950-01-146-4329
NSN 5945-01-385-3258
NSN 5950-01-225-5124
NSN 7035-01-357-4928
NSN 5950-01-185-2025
NSN 6110-01-244-7816
NSN 6650-00-269-5000
NSN 6220-00-125-3805