S&S Cycle 5/16-18 UNC-2B x .283in Nut

• Zinc, Steel

The S&S Cycle Serrated Flanged Hex Nut is a dependable replacement fastener for powersports applications requiring a secure, vibration-resistant connection. Designed with a 5/16-18 UNC-2B thread and a serrated flange, this nut helps provide reliable clamping while reducing the need for a separate washer. It is suitable for use with compatible S&S Cycle components and other assemblies using the same thread specification.
Constructed from steel with a zinc finish, this flanged hex nut offers durable performance and added resistance to surface corrosion in typical workshop and riding environments. The integrated serrated flange helps grip the mating surface during installation, supporting consistent fastening in areas exposed to vibration or movement. Verify thread size, material requirements, and application compatibility before installation.
This S&S Cycle fastener is supplied as an individual replacement nut and is identified by part number SSC50-5053-S. Its standard hex profile supports installation with common hand tools, making it a practical choice for service, repair, and custom powersports projects. Follow the vehicle or component manufacturer’s recommended torque specifications and use appropriate safety procedures when installing fasteners.

Features:

• Thread: 5/16-18 UNC-2B

• Style: Serrated flanged hex nut

• Material: Steel

• Finish: Zinc

• Application: Powersports service, repair, and replacement use

• Brand: S&S Cycle

• Part Number: SSC50-5053-S