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 4140-01-564-4927
NSN 5930-01-195-3539
NSN 6650-00-070-5952
NSN 6620-01-616-1772
NSN 6645-00-433-8455
NSN 5895-01-459-0727
NSN 5990-00-466-2952
NSN 6220-01-162-3293
NSN 6130-01-236-6794
NSN 6650-00-338-7350
NSN 6685-00-497-3577
NSN 5965-01-250-8542