Shim - Component Catalog

Part Family: Hardware

Manufacturers: Shim manufacturers include Lockheed Martin, AccuTrex, Spirol, AmeriStar, and many others.

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Functionality of Shims:

A Shim is a thin, usually tapered, material used to fill small gaps or spaces between two objects. They are usually used to support, provide a better fit, or level a surface. In some cases shims are used to fill gaps between objects to prevent them from wearing. Common shims can be made from a variety of materials but are typically composed of wood, stone, plastic, metal, or even paper. Aerospace specific shims come from carbon steel, stainless steel, brass, copper, aluminum, titanium, and others.

FSG: Shims are categorized under FSG 53: Hardware and Abrasives

FSC: Shims are categorized under FSC 5365: Bushings, Rings, Shims and Spacers

Common Applications:

Shims used in the aerospace industry typically serve as washers, motor and vibration mounts, and seals. They withstand a great deal of pressure and stress in travel and thus must be strong and corrosion resistant. They are found all throughout aircraft in areas like pilot control assemblies, landing gear, hydraulic systems, auxiliary power units, control systems, and more.

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