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 6240-00-284-0923
NSN 6320-00-379-4695
NSN 5960-01-056-6705
NSN 6145-01-044-6666
NSN 5855-01-457-6122
NSN 5925-00-759-0925
NSN 6645-00-716-8049
NSN 2925-01-157-9204
NSN 5910-01-149-3061
NSN 5910-01-089-8395
NSN 6650-00-195-7519
NSN 6685-01-318-6540