This heavy-duty Lippert (LCI) steel castle locknut is designed for use on Rockwell 12K–16K axle assemblies. Featuring a 1-3/4"-12 thread size and a durable zinc-plated finish, this locknut is built for longevity and corrosion resistance in demanding trailer applications.

Features

• Genuine Lippert (LCI) steel locknut
• 1-3/4"-12 thread size
• Castle nut design — accepts cotter pin for positive retention
• Zinc-plated finish for corrosion protection
• Fits Rockwell 12K–16K axles

Specifications

This locknut is commonly used to secure hub and spindle assemblies on heavy-duty Rockwell trailer axles. Always verify thread size and axle compatibility before installation.