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SAE MA1547 Revision A, November 1, 1989
Complete Document
Active, Most Current
Wrenches, Twelve Spline, Metric
Includes all amendments and changes through Reaffirmation Notice , November 2012
Page Count:18
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AIA/NAS Aerospace Standards
This standard covers the design, performance, and test requirements for high strength, thin wall, commercial sockets, universal sockets, and box wrenches used for the attachment and detachment of metric spline drive, high strength, and high temperature air craft fasteners.

Inclusion of dimensional data in this standard is not intended to imply that all of the products described herein are stock production sizes. Consumers are requested to consult with manufacturers concerning lists of stock production sizes.

This standard is based on, but not limited to, the following external spline wrenching system:

MA1549 – Wrenching Configuration, 12 Spline, For Metric Threaded Fasteners MA1586 – Wrench Configuration, 12 Spline Drive, Metric