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.
Classification: Check valves of steel
NSN 5990-01-225-9820
NSN 5996-01-509-3464
NSN 6145-00-155-5297
NSN 5985-00-573-7772
NSN 6150-00-490-2514
NSN 6650-01-129-8343
NSN 6610-01-398-1094
NSN 6620-00-153-0982
NSN 5935-00-831-3539
NSN 6145-01-399-1158
NSN 6645-01-207-9273
NSN 6320-01-572-6395