The Military Standard Aircraft Machine Bolt (P/N AN4-31) is an aircraft part. It fits the Citation Excel, XLS, XLS+, XLS Gen 2, Citation X, Citation X+, Skyhawk, Skylane, and Stationair. It weighs 0.05 Pounds and measures 3.33 (L) x 0.50 (W) x 0.44 (H) Inches. Export classification (ECCN): EAR99. Military Standard Aircraft Machine Bolt • Hexagon Head • Undrilled Head • Cotter Pin Hole • Fine Threads • UNF-3A • Material: Steel • Major Diameter: 0.25 in. • Thread Per Inch (TPI): 28 • Length: 3.156 in. • Grip Length: 2.688 in. • Industry Standard Specification: AIA/NAS NASM3-20. Request a quote for AN4-31 or browse compatible inventory on Flying411.
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