Developed by the Pittsburgh Institute of Aeronautics: The Aircraft Mechanics Specification Handbook is a very useful mechanics handbook, focusing on the identification of all types of AN, NAS, and MS hardware and fittings, and AN plumbing. It also includes an extensive and unique second section covering electrical connector identification; and the third area with common references and conversion formulas. Developed for A&Ps by A&Ps, here is a toolbox size reference you will really use.
Section 1 - Aircraft Hardware
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