S-92562A140 1/4"-20 x 2 1/2" MS16997-68, NAS1352-4-40P Mil. Spec. Alloy Steel Socket Head Screws
Mil. Spec. Alloy Steel Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 160,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Cadmium-plated alloy steel construction provides superior corrosion resistance, extending service life in harsh or outdoor environments.
- Class 3A thread fit offers precise, tight tolerances for secure fastening and vibration resistance in critical assemblies.
- Partially threaded design allows for controlled clamping force and easier alignment in complex mechanical setups.
- Hex socket drive (3/16") enables high torque application with standard tools, minimizing stripping and improving installation efficiency.
- Compliance with MS16997-68/NAS1352-4-40P specifications guarantees consistency and reliability for aerospace and industrial standards.
- Rockwell C39 hardness ensures durability and wear resistance, maintaining integrity under repeated use.
Professional Applications & Engineering Value
This socket head cap screw is engineered from cadmium-plated alloy steel to address common industrial challenges such as corrosion, high loads, and precise assembly requirements. The Class 3A thread fit and coarse UNRC thread design provide excellent grip and resistance to loosening in vibrating environments, making it ideal for aerospace, heavy machinery, and automotive applications. With a partially threaded rod and hex drive, it simplifies installation in confined spaces while ensuring consistent clamping force. This screw’s high tensile strength and robust material composition deliver long-term reliability, reducing maintenance needs and downtime in demanding operations.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and UNRC coarse threads with a size of 1/4"-20. It meets MS16997-68 NAS1352-4-40P, ensuring compliance with aerospace and industrial specifications. Manufactured from cadmium-plated alloy steel, it aligns with common industry requirements for strength and corrosion resistance, supporting reliable performance in regulated environments.
