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Fast and Positive - No more guessing!
The gauge is used for inspection of seat rail wear in Cessna aircraft. This gauge is designed to measure the actual radius wear near the seat stop holes. Notice the different sized step the corner. The size applies to the .42 diameter limits referred to by the A.D. The .020 upper surface wear allowance allowed by the A.D. is designed into the gauge.
McFarlane Seat stops are stronger than the originals!
Kits contain FAA-PMA and industry standard components