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 5999-01-490-5835
NSN 5950-01-361-8109
NSN 5999-01-044-5735
NSN 5895-00-179-1529
NSN 4140-01-478-0152
NSN 5990-00-421-5135
NSN 4140-01-548-7229
NSN 2925-00-532-1481
NSN 6320-01-556-2011
NSN 5905-00-290-8098
NSN 5930-01-056-8394
NSN 5915-01-147-7772