The SKF HMV 38E Hydraulic nut is a product designed for lubrication in automotive maintenance. It features a permitted piston displacement of 7mm, a piston width of 8mm, and a piston area of 11.5mm2. The nut has a thread size of M190x3 and a maximum working pressure of 80 MPa. Manufactured in Germany, this hydraulic nut from SKF is part of the E Series. The package includes one unit of the nut, which has a nut body outer diameter of 270mm and a piston outer diameter of 259mm.