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3. Shear Bolt

Part Family: Aviation

Manufacturer: This part was manufactured by Arconic Global Faste, Lockheed Martin Corp, And Sps Technologies, Ll, Huck International, Inc. Dba Alcoa Fastening Systems, Alcoa Global Fasteners, Inc. Dba Alcoa Fastening Systems

Functionality of Bolt, Shear:

The purpose of a shear bolt is to act as a high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener. It is engineered to withstand great shear stress. The head is purposed to work for an external wrench or driver. The bold shear must abide by the Screw Thread Standards, FED STD H28. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter.

FSG: Federal Supply Group 53: Hardware and Abrasives

FSC: Federal Supply Classification, 5306: Bolts 

Common Applications:

The shear bolt can be applied to as a fastener on heavy aircraft and aerospace parts. It can be used to fasten or connect extensions together in order to keep aircraft/aerospace parts locked in place. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation.  Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less.