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 5855-00-256-5562
NSN 5920-00-779-9560
NSN 5910-01-571-8500
NSN 6620-01-510-3501
NSN 6320-01-332-7020
NSN 5930-00-477-5233
NSN 5835-00-484-1529
NSN 6240-01-052-2488
NSN 5945-00-683-8334
NSN 6130-00-168-1229
NSN 6320-01-443-8676
NSN 6240-00-056-8042