LOCKNUT (P/N mat690) - New Surplus
P/N: mat690
Category: Nuts
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 | 62 Available |
Product Description
The mat690 is a metal locknut designed to prevent bolt loosening in vibration-prone aircraft assemblies. This prevailing torque fastener maintains joint security on airframe brackets and structural connections where vibration could otherwise cause fastener failure. Manufactured to AN, MS, or NAS specifications, the locknut provides reliable retention without requiring secondary locking methods.
Installation requires torquing to aircraft maintenance manual specifications. Replace the locknut if prevailing torque is lost or if visible damage occurs during inspection or removal.
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 LOCKNUT (P/N mat690)?
The mat690 is a metal locknut designed to prevent bolt loosening in vibration-prone aircraft assemblies. This prevailing torque fastener maintains joint security on airframe brackets and structural connections where vibration could otherwise cause fastener failure.
What conditions is the mat690 available in?
The mat690 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 mat690?
The mat690 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 mat690?
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.