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 6150-01-158-3280
NSN 6135-01-370-9441
NSN 6610-01-230-9971
NSN 5915-01-423-4642
NSN 6650-01-503-9139
NSN 5835-01-363-4527
NSN 6620-01-068-4498
NSN 5855-00-962-5792
NSN 5930-00-262-6057
NSN 5835-01-355-0308
NSN 6240-01-334-6106
NSN 5950-00-144-4139