Industrial RCSK17028-1 Rear Halfshaft Assembly

RCSK17028-1 Rear Halfshaft Assembly is a 12,000-lb GVW-class rear axle shaft for HMMWV/Humvee models, designed for installation on either the left or right side (RH or LH) of the rear axle. It specifically supports 92–98 civilian 12K variants, the Early HMMWV Expanded Capacity Vehicle (ECV), and A2 models, and is listed under NSN 2520-01-421-4589 as the rear halfshaft for M1097A2 Humvees. The design includes a brake rotor pilot diameter of 3.5 inches, ensuring proper fit with the corresponding rotor and hub components on compatible braking systems. The RCSK17028-1 designation is widely cited across HMMWV parts catalogs and is interchangeable with related identifiers such as XA14017 in cross-reference listings, confirming its role as the rear halfshaft for 12K GVW applications. This part is intended for use on the Humvee’s rear axle, delivering the necessary engagement and durability for heavy-duty off-road and tactical operations on M1097A2 configurations.