Nut, Self-Locking, Extended Washer, Double Hexagon, Alloy Steel, Width Across Flats 0.492 Inch Minimum and 0.502 Inch Maximum

Nut is an alloy steel component that offers reliable performance in specific applications. The GN10AJ624 features a double hexagon style which enhances grip and torque application. With a nominal thread size of 0.375 inches, this nut is designed for unified national joint fine threads and is classified under thread class 3B. The overall height is 0.438 inches maximum and the width across flats ranges from 0.492 inches minimum to 0.502 inches maximum. The hardness rating ranges from a minimum of 34.0 Rockwell C to a maximum of 43.0 Rockwell C, ensuring durability and strength.