The Linear 2400-102 is an OEM replacement Prevailing Torque Nut for use in Linear and OSCO gate operator assemblies. Materials: Carbon steel (zinc-plated or plain per OEM specification). Dimensions: 5/16 in-18 UNC thread; standard hex dimensions (1/2 in across flats approx., per ASME B18.2.2). 5/16 in-18 Center Lock Prevailing Torque Nut for Linear Gate Operators. Order the genuine Linear part to ensure proper fit and function in your gate operator system.
A: It is a 5/16 in-18 UNC center-lock (prevailing torque) nut that resists loosening under vibration, used in Linear/OSCO gate operator hardware.
A: A center-lock nut has a distorted or out-of-round thread section at its center that grips the bolt thread and resists backing off without a separate locking element like a nylon insert.
A: Prevailing torque fasteners are preferred in gate operators because vibration from motors, drives, and gate movement can cause standard nuts to loosen over time.
A: Yes, 2400102 (no hyphen) is the same part number without punctuation formatting.
A: Replace it if the prevailing torque feature is worn (the nut spins on freely without resistance) or if threads are damaged.