Briggs & Stratton 8165003 Hex Flange Nylon Lock Nut - 3/8-16

The Briggs & Stratton 8165003 is a 3/8-16 hex flange nylon lock nut with zinc plating for corrosion resistance. This fastener combines a hexagonal nut with an integrated flange washer and nylon insert locking mechanism, providing secure fastening without the need for a separate washer.

Key Features:

• Thread size: 3/8-16 UNC (Unified National Coarse)
• Hex flange design distributes load over a wider area
• Nylon insert lock nut prevents loosening from vibration
• Zinc-plated finish provides corrosion protection
• Genuine Briggs & Stratton OEM replacement part

Commonly used on small engines, lawn mowers, pressure washers, generators, and other outdoor power equipment. The nylon locking feature maintains secure fastening even in high-vibration applications, while the integrated flange eliminates the need for separate lock washers.