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 aircraft 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, Spline Drive, Metric

Classification:

The following types, classes and styles shall apply:

Type I Sockets

Class 1 Sockets

Style A - Regular

Style B - Long

Class 2 Universal Sockets (also known as Flexible Sockets)

Type II Wrenches, Box, Angled End