AN3-12 - Drilled Aerospace Bolt AN Standards 1-9/32

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AN3-12 - Drilled Aerospace Bolt AN Standards 1-9/32

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AN3-12 - Drilled Aerospace Bolt

The AN3-12 Drilled Aerospace Bolt is a high-strength fastener commonly used in aircraft assembly and maintenance. This bolt is designed according to the Aeronautical Standards (AN) specifications, ensuring quality and reliability in aviation applications. The AN3-12 features a drilled shank, allowing for secure installation with safety wire to prevent loosening due to vibration.

Key Specifications:

  • Material: Alloy steel (types 8740, 8630, 8735, 4037, 4130, or 4140)
  • Finish: Cadmium plated and chromate treated, providing corrosion resistance
  • Thread Size: 10-32 (UNF)
  • Length: 1-9/32 inches (from under the head to the end of the shank)
  • Grip Length: 7/8 inches
  • Minimum Tensile Strength: 125,000 psi
  • Head Style: Hexagon
  • Hardness: 26 to 32 Rockwell C
  • Certifications: Manufactured to MIL-Spec standards, ensuring compliance with aviation requirements​.

This bolt is widely used for securing structural components in aircraft, providing both strength and durability in critical applications. It is designed for use where a secure, tight fit is necessary, and the drilled shank allows for safety wiring to ensure the bolt remains in place during operation.

Description:

Military Standard Aircraft Machine Bolt

  • Hexagon Head
  • Undrilled Head
  • Cotter Pin Hole
  • Fine Threads
  • UNF-3A
  • Material: Steel
  • Major Diameter: 0.19 in.
  • Thread Per Inch (TPI): 32
  • Length: 1.281 in.
  • Grip Length: 0.875 in.
  • Industry Standard Specification: AIA/NAS NASM3-20

Notes:

ONE-WAY SUPERSEDURE P/N 130909B22 ON ALL BEECH MODELS

Applicable Aircraft

  • Citation Sovereign or Sovereign+
  • Citation X
  • Citation X+
  • King Air 100
  • SkyCourier
  • Stationair
List not comprehensive, may be applicable on other models.


AN3-12 - Drilled Aerospace Bolt AN Standards 1-9/32

AN3-12 - Drilled Aerospace Bolt AN Standards 1-9/32