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 6320-00-284-1524
NSN 6220-00-276-8681
NSN 5915-00-547-8018
NSN 5925-01-420-4033
NSN 5998-01-321-7411
NSN 5915-01-383-7190
NSN 5930-01-390-3702
NSN 6645-01-189-6942
NSN 6650-01-166-5025
NSN 5930-00-539-7149
NSN 5920-01-522-0240
NSN 2925-00-350-0348