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 6135-01-100-3593
NSN 6110-00-866-8590
NSN 6105-01-195-0205
NSN 5855-01-167-2162
NSN 5895-01-441-9604
NSN 6620-01-454-8926
NSN 5990-01-200-7460
NSN 5855-01-266-1645
NSN 6220-01-160-7249
NSN 5930-01-449-7896
NSN 5998-01-559-4781
NSN 5950-01-551-6926