McNally 1006769 - 9/16" x 3/8" Drive Torque Adaptor

The McNally 1006769 - 9/16" x 3/8" Drive (#1 Tail Rotor Drive Shaft) Torque Adaptor is a specialized torque adaptor for applying calibrated torque to #1 tail rotor drive shaft fasteners. It is designed to be used with a 3/8" drive torque wrench to reach and torque these critical fasteners in accordance with rotorcraft maintenance procedures.

This adaptor is essential for tasks involving the tail rotor drive system, where access is often restricted and alignment is crucial. By providing the correct size and geometry, it helps technicians achieve proper torque while minimizing the risk of fastener or component damage.

Key Features:

• 9/16" torque adaptor with a 3/8" drive interface designed specifically for #1 tail rotor drive shaft fasteners.
• Allows accurate torque application in confined areas along the tail rotor drive line.
• Supports the use of torque correction factors and procedures as specified in applicable maintenance manuals.
• Can be used as part of the 3-piece torque adaptor kit (1006767) or as a standalone, replacement, or additional adaptor.
• Durable and shop-ready, suitable for frequent use in helicopter maintenance and overhaul environments.
• Also useful in other drive shaft applications where similar fastener sizes and clearances exist.

The 9/16" x 3/8" Drive (#1 Tail Rotor Drive Shaft) Torque Adaptor - 1006769 helps aviation maintenance crews meet torque requirements on critical tail rotor drive shaft fasteners. With its precise fit and robust construction, it supports safe, repeatable maintenance practices that keep rotorcraft systems performing as intended.