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 5920-01-464-8480
NSN 6610-01-199-9367
NSN 6620-00-900-3986
NSN 5998-00-123-5848
NSN 4140-01-087-2100
NSN 6620-01-534-7180
NSN 5925-01-211-6660
NSN 5925-00-452-1270
NSN 5915-01-128-6123
NSN 5930-01-289-5255
NSN 5990-01-123-2596
NSN 5998-01-148-1432