Briggs & Stratton 5105992FS Nylock Hex Nut 5/16-18

The Briggs & Stratton 5105992FS is a genuine OEM nylock hex nut designed for use with Briggs & Stratton engines and outdoor power equipment. This 5/16-18 thread size nut features a nylon insert locking mechanism that provides secure fastening and prevents loosening due to vibration during operation.

Key Features:

• Genuine Briggs & Stratton OEM replacement part (part number A0117)
• 5/16-18 thread size for precise fitment
• Nylon insert lock design prevents loosening from engine vibration
• Hexagonal design for easy installation with standard wrenches
• Engineered to exact factory specifications for reliable performance
• Corrosion-resistant finish for durability in outdoor conditions

This nylock nut is designed to provide secure fastening for critical engine components on lawn mowers, snow blowers, generators, and other Briggs & Stratton powered equipment. The integrated nylon ring creates rotational resistance when threaded onto a bolt, ensuring the connection remains tight even under harsh operating conditions and constant vibration.