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 5910-01-408-2457
NSN 5905-00-907-9170
NSN 6650-01-370-3919
NSN 6110-00-152-1529
NSN 6145-01-299-4783
NSN 5998-01-213-8299
NSN 6645-01-553-3599
NSN 5905-00-830-4869
NSN 5905-00-272-7329
NSN 5996-01-545-7932
NSN 5999-00-990-0478
NSN 5998-01-110-2217