Which of the following statements about the AN8-12 bolt is true?

Prepare for the Aviation Institute of Maintenance Block 2 Exam. Study with interactive questions and detailed explanations, honing your skills for a successful outcome!

Multiple Choice

Which of the following statements about the AN8-12 bolt is true?

Explanation:
AN bolts use a simple size code: the number after AN gives the diameter, and the number after the dash gives the length. For AN-8, the diameter is 1/2 inch. The trailing number maps to a standard length in the aviation fastener charts, and AN-8-12 corresponds to a length of 1 1/4 inches. So this bolt is 1/2 inch in diameter and 1 1/4 inch long. It’s an inch-series fastener, not metric, and the other length and diameter options don’t match the standard AN sizing for this designation.

AN bolts use a simple size code: the number after AN gives the diameter, and the number after the dash gives the length. For AN-8, the diameter is 1/2 inch. The trailing number maps to a standard length in the aviation fastener charts, and AN-8-12 corresponds to a length of 1 1/4 inches. So this bolt is 1/2 inch in diameter and 1 1/4 inch long. It’s an inch-series fastener, not metric, and the other length and diameter options don’t match the standard AN sizing for this designation.

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