S-94622A423 5/16"-24 x 1 11/32" AN5-12A Army-Navy Medium-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium plating, extending service life in harsh industrial environments.
• Exceptional tensile strength rated at 120,000 PSI, ensuring reliable performance under high-stress conditions.
• Precise Class 3A thread fit for secure, vibration-resistant assemblies and reduced risk of loosening.
• High material hardness (Rockwell C26) provides excellent wear resistance and durability.
• External hex drive design allows for easy installation and removal with standard tools.
• Fine thread spacing offers improved adjustment accuracy and superior clamping force.
• AN5-12A specification compliance guarantees consistent quality and interoperability in aerospace and defense applications.

Professional Applications & Engineering Value

This 5/16"-24 UNF hex head screw is engineered to address critical challenges in precision assembly and high-vibration environments. The cadmium-plated steel construction provides a robust barrier against corrosion, making it ideal for aerospace, automotive, and heavy machinery applications where environmental exposure is a concern. The Class 3A thread fit ensures tight tolerances, minimizing the risk of thread stripping and maintaining joint integrity under dynamic loads. With a partial threading design, it offers optimal grip length control, preventing over-tightening and distributing stress evenly. This fastener’s high tensile strength and fine thread spacing make it a reliable choice for securing components that require precise alignment and long-term reliability, reducing maintenance needs and downtime.

Specification Summary & Compliance

This screw adheres to AN5-12A specifications and features a Class 3A thread fit for high precision in inch system applications. It meets stringent manufacturing standards with a UNF fine thread profile, right-hand threading, and partial threading design. The product complies with industry requirements for dimensional accuracy and is manufactured from high-strength steel with cadmium plating, ensuring performance in regulated sectors. While specific RoHS or REACH declarations are not provided, it is designed to align with common industrial and aerospace fastener standards for reliability and safety.