Elastic Type Hex Lock Nut 1/2"-13 Replacement for SCAG 04021-07

Elastic Type Hex Lock Nut 1/2"-13 for SCAG

This elastic type hex lock nut with 1/2"-13 thread is a direct replacement for SCAG part number 04021-07, used to secure fasteners on SCAG mowing equipment.

Overview

The elastic type hex lock nut features a nylon insert that resists loosening from vibration, making it ideal for applications on SCAG commercial mowers. With a 1/2"-13 thread size, this nut replaces OEM part 04021-07 and provides dependable locking performance on spindle assemblies and other components.

Built For Performance

• Nylon insert locks against vibration and shock
• 1/2"-13 UNC thread for standard fastener compatibility
• Hex shape for easy installation with standard tools
• Corrosion-resistant finish for outdoor equipment use

Fits These Machines

• for SCAG mowers requiring part 04021-07

On-The-Job Use

• Securing blade spindles on SCAG zero-turn mowers
• Fastening pulleys and deck components subject to vibration
• Replacing worn lock nuts on commercial landscaping equipment

Specs At A Glance

Good To Know

Q: Can this lock nut be reused? A: Elastic lock nuts are designed for single use; the nylon insert deforms to lock the threads, so replacement is recommended after removal.

Q: Does this nut fit all SCAG mowers? A: It fits SCAG models that use part number 04021-07; check your equipment's parts diagram to confirm compatibility.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.