Briggs & Stratton 84009823 Nylon Insert Lock Nut 5/16-24 Grade 8

The Briggs & Stratton 84009823 is a genuine OEM 5/16-24 Grade 8 nylon insert lock nut (also known as a nyloc nut) designed for use on Briggs & Stratton engines and outdoor power equipment. This fine-thread fastener provides a secure, vibration-resistant connection to keep critical engine and equipment components firmly in place during operation.

Key Features:

• Thread Size: 5/16-24 (fine thread, UNF)
• Grade 8 Alloy Steel: High-strength construction engineered for demanding fastening applications
• Nylon Insert Locking Mechanism: Integrated nylon collar creates friction against bolt threads to prevent loosening from vibration and shock
• Genuine OEM Part: Manufactured to exact Briggs & Stratton factory specifications for assured fit and compatibility
• Corrosion-Resistant Finish: Zinc-yellow or equivalent plating provides protection against rust and environmental wear

This genuine Briggs & Stratton lock nut is an ideal replacement fastener for engine assemblies, blade adapters, mounting hardware, and other critical attachment points on Briggs & Stratton-powered equipment. Using authentic OEM hardware ensures proper torque retention and maintains the integrity of your equipment.