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 copper having a pressure rating of 850 kpa or over
NSN 5945-01-500-5370
NSN 5945-01-445-6081
NSN 6645-01-023-8724
NSN 6240-00-004-2516
NSN 5920-01-479-9605
NSN 5935-01-039-9774
NSN 5855-01-478-6583
NSN 5920-01-035-7713
NSN 6650-01-467-8818
NSN 4140-00-947-3918
NSN 5905-01-271-0536
NSN 5998-01-426-8664