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 5915-01-004-9002
NSN 5999-00-825-2562
NSN 6150-01-033-8762
NSN 5855-01-224-7975
NSN 6620-01-218-2601
NSN 6135-01-445-4291
NSN 5935-01-181-5945
NSN 5925-00-373-0936
NSN 5930-00-682-7440
NSN 5990-01-516-6791
NSN 6650-01-254-4288
NSN 6135-00-223-9563