OEM Ring Nut #51654221 - OEM Hardware Repair Part for Case Construction Equipment Service This direct replacement part is intended to restore equipment after replacement of fastening hardware affected by wear, stretch, or breakage has led to fastener fatigue, hardware loss, and poor component retention. A practical OEM option for bolt replacement, retainer clip service, and heavy equipment hardware repair jobs in the field. More Details Part Number: 51654221 Application: Common service application: OEM pin, bolt, washer, or retainer service part for maintenance work involving hardware wear, loss, or fastening repairs. 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