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 6135-01-459-0089
NSN 5950-01-387-3519
NSN 5965-01-128-1963
NSN 5960-00-613-1842
NSN 5895-00-952-6704
NSN 6220-01-261-1985
NSN 5990-00-036-6449
NSN 5998-01-367-2905
NSN 5965-01-392-1761
NSN 5905-01-257-4004
NSN 5910-01-627-3017
NSN 5920-00-427-7267