The Linear 2400-055 is an OEM replacement Center Lock Nut for use in Linear and OSCO gate operator assemblies. Materials: Carbon steel (zinc plated typical). Dimensions: 1/2-13 UNC thread, across-flats approx 0.750 in, height approx 0.438 in (standard SAE hex lock nut). 1/2-13 center lock prevailing torque nut for Linear gate operator hardware. Order the genuine Linear part to ensure proper fit and function in your gate operator system.
A: It is a 1/2-13 center lock (prevailing torque) nut used to secure fasteners in Linear and OSCO gate operator assemblies without additional locking hardware.
A: A center lock nut has a deformed or locking center section that grips the bolt threads and resists self-loosening without needing a cotter pin or lock washer.
A: It uses a prevailing torque mechanism - typically a distorted thread or nylon insert in the center - that creates friction against the bolt threads to prevent loosening.
A: It has a 1/2-13 UNC thread with an across-flats dimension of approximately 0.750 in per SAE standard hex nut dimensions.
A: Carbon steel, plain or zinc plated, is the typical material for prevailing torque hex lock nuts of this type.
