STIFFNUT (P/N a126a77) - New Surplus
P/N: a126a77
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 | 4 Available |
Product Description
The a126a77 is an all-metal self-locking stiffnut designed to maintain prevailing torque under vibration in aircraft applications. This all-metal stop nut uses internal locking features rather than polymer inserts, making it suitable for high-temperature engine bay and structural attachments where thermal conditions preclude nylon-insert designs. Compatible with AN363/MS21045 aerospace standards, it prevents fastener loosening during flight operations and maintenance cycles.
Installation requires torque to specification per aircraft maintenance manual, with reuse limits determined by inspection and manufacturer guidance. Verify part compatibility with your aircraft's Illustrated Parts Catalog before installation.
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 a126a77)?
The a126a77 is an all-metal self-locking stiffnut designed to maintain prevailing torque under vibration in aircraft applications. This all-metal stop nut uses internal locking features rather than polymer inserts, making it suitable for high-temperature engine bay and structural attachments where thermal conditions preclude nylon-insert designs.
What conditions is the a126a77 available in?
The a126a77 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 a126a77?
The a126a77 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 a126a77?
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.