OEM Lock Nut 3/8"-16 Gb Nut - Hex Self-Locking 3/8 Inch Nc #231 - OEM Hardware Repair Part for Case Construction Equipment Service This OEM repair component helps technicians replace damaged originals during service work involving replacement of fastening hardware affected by wear, stretch, or breakage, including stripped threads, bent pins, loose mounting, and lost clips. Often searched by buyers handling OEM pin replacement, hardware repair, retainer service, and Case equipment fastening maintenance service work. More Details Part Number: 231 Application: Primary service use: Hardware replacement component used to repair loose mounting points, missing fasteners, bent pins, or worn retention hardware. Key Features: Designed to replace damaged pins, bolts, washers, or retaining hardware Supports repair of looseness, poor retention, and hardware-related service issues OEM-style fit for efficient installation in routine maintenance Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering Replaces: Refer to manufacturer cross-reference if applicable