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STD-475 - Textron Lycoming Lock .3125 Lock-Int. Teeth Washer

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STD-475 - Textron Lycoming Lock .3125 Lock-Int. Teeth Washer

Genuine OEM Part

Description: Lock Washer
Part number: STD475
Alternate Part number: STD-475
FAA PMA Part number: Superior Air Parts with P/N: SL-STD-475
Replacement for part numbers: AN936­A5­16, STD­1763, STD­36

Fits for Lycoming Engines O-235-L Series

Lycoming's STD475 is an internal tooth lock washer that is part of the O-235-L series engine overhaul kit (P/N 05K22817).
Within the kit, there are 20 of these lock washers.
For more information on appropriate use and application see Service Instruction No. 1508 C [Click Here]

Ensure the security and reliability of your aircraft components with the Textron Lycoming Lock Washer, part number STD-475. This high-quality internal tooth lock washer is designed to provide superior locking performance in demanding aviation environments, helping to prevent loosening under vibration and stress.

Key Features:

  • Material Composition: Made from high-strength steel, offering excellent durability and resistance to wear and deformation.
  • Internal Teeth Design: Features internal teeth that bite into the mating surface to prevent rotation and maintain tightness.
  • Standard Compliance: Manufactured to meet Lycoming and aviation industry standards for quality and performance.
  • Versatile Application: Suitable for various critical applications within aircraft engines and assemblies.

Specifications:

  • Part Number: STD-475
  • Type: Internal Tooth Lock Washer
  • Diameter: 0.3125 inches (5/16 inch)
  • Material: High-strength steel
  • Weight: Approximately 0.001 lbs (0.45 grams)
  • Dimensions: 0.63 inches in diameter, 0.07 inches thick

Description:

For robust fastening solutions in your aircraft, choose the Textron Lycoming Lock Washer, part number STD-475. Available at AirParts.Aero, this internal tooth lock washer is designed to ensure secure connections in high-vibration environments. Manufactured from high-strength steel, it meets stringent Lycoming and aviation industry standards, making it an ideal choice for various aircraft engine and structural applications.

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