Rockwell American Trailer Spindle Castle Nut – 1-3/4"-12 Thread, 6-Slot

Part Number: Refer to Rockwell American application

This Rockwell American trailer spindle castle nut is used on heavy-duty trailer axle spindles requiring a 1-3/4"-12 thread. Castle nuts are designed to secure the outer bearing and hub assembly while allowing cotter pin indexing through the spindle.

This nut features a raw finish and six-slot design commonly found on Rockwell American axle assemblies used in higher-capacity trailer applications.

Features

• Spindle castle nut for trailer axle applications
• 1-3/4"-12 internal thread
• Six-slot design for cotter pin retention
• Raw finish
• Commonly used on Rockwell American heavy-duty axles

Specifications

Castle nuts must be properly adjusted and secured with a compatible cotter pin. Always verify spindle thread size, axle manufacturer, and hub configuration before installation. Refer to manufacturer documentation for exact fitment requirements.