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 6620-01-152-0936
NSN 6645-00-544-8529
NSN 6130-01-179-6575
NSN 2925-01-417-6815
NSN 6105-00-959-5468
NSN 6150-00-153-9361
NSN 2925-01-620-9673
NSN 6320-01-194-1253
NSN 5855-01-218-3735
NSN 5998-01-384-3494
NSN 5990-01-272-4091
NSN 5996-01-374-8569