For sale is a LOCK NUT, part number NAS577B6A, in Inspected condition and accompanied by Yellow Tag Serviceable. The serial number for this unit is N/A, and it is priced at $28.00. This component is in stock and ships directly from Rotor Parts Network’s Henderson, Nevada warehouse.

This part has been stored and handled according to strict aviation standards, with full traceability and supporting documentation. The certifications included (Yellow Tag Serviceable) allow for direct use in your fleet.

Rotor Parts Network supports Airbus helicopters and Safran engines. We have deep, specialized knowledge of the platforms, the interchange standards, and the documentation requirements involved in procurement and installation. When you purchase from us, you can be confident that the part you receive has been physically verified, properly categorized, and documented for compliance.

This LOCK NUT can be used for scheduled and unscheduled inspections, or direct installation depending on your shop practices. If you need help reviewing interchangeability with alternate part numbers, or want help validating applicability, we can cross-reference against AMM/IPC data and provide records as needed.

We’re committed to offering high-quality parts with full visibility and no surprises. If you have additional requirements for export, end-use, or inspection prep, our team is ready to assist.

Please reach out to request additional documentation or confirm details about this NAS577B6A. Rotor Parts Network is ready to support your Airbus and Safran maintenance programs with accuracy, speed, and transparency.