STIFFNUT (P/N a126e66) - New Surplus
P/N: a126e66
Category: General Aircraft Parts
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 24 Available |
Product Description
The a126e66 is an all-metal prevailing-torque self-locking nut conforming to AN363/MS21045 aerospace standards. This stiffnut resists loosening under vibration through thread deformation, maintaining clamp load without polymer inserts. Steel construction enables operation at elevated temperatures unsuitable for nylon-insert nuts.
Used in airframe and engine attachments requiring reliable fastening in high-vibration environments. Install on undamaged threads and torque per aircraft maintenance manual specifications.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the STIFFNUT (P/N a126e66)?
The a126e66 is an all-metal prevailing-torque self-locking nut conforming to AN363/MS21045 aerospace standards. This stiffnut resists loosening under vibration through thread deformation, maintaining clamp load without polymer inserts.
What conditions is the a126e66 available in?
The a126e66 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the a126e66?
The a126e66 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the a126e66?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
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