S-94622A235 3/8"-24 x 1 53/64" AN6-16 Cotter Pin-Lockable Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium plating for extended service life in harsh environments
• Exceptional vibration resistance through the integrated cotter pin locking mechanism, preventing loosening under dynamic loads
• High-strength performance with 120,000 psi tensile strength and Rockwell C26 hardness for demanding applications
• Precise, reliable fit ensured by Class 3A thread fit for superior engagement and clamping force
• Optimized for secure assembly with a fine UNF thread form that provides greater resistance to vibration
• Easy installation and removal with a standard external hex drive for common tool compatibility
• Proven aerospace compliance, meeting AN6-16 specifications for critical engineering applications

Professional Applications & Engineering Value

This cadmium-plated steel hex head screw is engineered to solve critical fastening challenges in high-vibration and high-stress environments. The 3/8"-24 UNF fine thread and Class 3A fit provide superior resistance to loosening, while the integrated cotter pin locking mechanism delivers fail-safe security, making it ideal for aerospace assemblies, heavy machinery, and industrial equipment. The partial threading allows for precise grip length control, and the combination of 120,000 psi tensile strength with a durable cadmium finish ensures long-term reliability against corrosion and mechanical fatigue, reducing maintenance needs and downtime.

Specification Summary & Compliance

This fastener features a 3/8"-24 UNF thread with a Class 3A fit for high precision. It is partially threaded with a grip length of 1 3/16" and is designed for a 3/32" cotter pin. Manufacturing and performance comply with AN6-16 specifications, ensuring it meets rigorous standards for aerospace and industrial applications.