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 5999-01-571-1324
NSN 5998-01-159-6892
NSN 2925-00-149-0760
NSN 5920-00-280-1060
NSN 5950-01-265-0880
NSN 7035-00-465-3298
NSN 6650-00-300-9895
NSN 6220-00-224-5402
NSN 5855-00-177-3529
NSN 5835-00-198-4936
NSN 4140-00-534-1408
NSN 6135-01-494-3607