You are purchasing a New -Old Inventory Eaton Vickers MCD-5390 Hydraulic Manifold Valve. The REV is 1 829. There is also a number above the ID tag. It is 02-179100. This part was on the shelf but was never used from what I could tell. If you have any questions please feel free to send them. Brand New and in the original box this item list price is about 0. Thanks for the interest.