Briggs & Stratton 8160003 Hex Lock Nut - 3/8-16

The Briggs & Stratton 8160003 is a 3/8-16 hex lock nut designed for secure fastening in small engine applications. This lock nut features a nylon insert or deformed thread design that creates resistance to prevent loosening from vibration, making it ideal for use on lawn mowers, generators, pressure washers, and other outdoor power equipment.

Key Features:

• 3/8-16 thread size fits standard small engine applications
• Hexagonal design for easy installation with standard wrenches or sockets
• Lock nut design prevents loosening from engine vibration
• Genuine Briggs & Stratton OEM replacement part
• Durable construction for long-lasting performance

This lock nut is engineered to Briggs & Stratton's OEM specifications to ensure proper fit and reliable performance. The locking feature provides added security in high-vibration environments, reducing the need for frequent retightening and helping maintain equipment safety and performance.