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 6645-01-367-2581
NSN 5920-00-455-9133
NSN 5990-01-378-7349
NSN 6610-01-370-3886
NSN 6320-01-519-8767
NSN 5998-01-424-0932
NSN 6620-01-255-6374
NSN 6105-01-432-1342
NSN 5925-00-156-4044
NSN 5910-01-340-0906
NSN 5990-01-411-4596
NSN 5915-01-112-1237