S-94622A231 3/8"-24 x 53/64" AN6-6 Cotter Pin-Lockable Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium plating, extending service life in harsh industrial and aerospace environments.
• Exceptional tensile strength of 120,000 psi ensures reliable performance under high-stress conditions.
• Secure anti-loosening protection via the integrated cotter pin hole, preventing unintended rotation in critical assemblies.
• Precise Class 3A thread fit guarantees consistent engagement and reduces the risk of cross-threading during installation.
• High hardness rating (Rockwell C26) provides excellent wear resistance and durability over repeated use.
• Easy installation and removal with a standard external hex drive, compatible with common wrench tools.
• Compliance with AN6-6 specifications ensures reliability for demanding aerospace and defense applications.

Professional Applications & Engineering Value

This cadmium-plated steel hex head screw is engineered to address critical fastening challenges in high-vibration and high-stress environments. The 3/8"-24 UNF fine threading and Class 3A thread fit provide superior clamping force and vibration resistance, making it ideal for aerospace assemblies, heavy machinery, and industrial equipment where failure is not an option. The inclusion of a cotter pin locking mechanism offers a reliable, mechanical means to prevent loosening, eliminating the need for secondary locking elements. Manufactured from high-strength steel with a Rockwell C26 hardness, it withstands extreme operational demands while the cadmium plating offers essential corrosion protection, ensuring long-term integrity and reducing maintenance cycles.

Specification Summary & Compliance

This screw features a 3/8"-24 UNF thread with a Class 3A precision fit for optimal thread engagement. It is partially threaded with a grip length of 3/16" and includes a 0.106" diameter hole for a 3/32" cotter pin. The product conforms to AN6-6 specifications, meeting rigorous standards for aerospace and industrial applications. Material and manufacturing processes comply with industry requirements for performance and reliability.