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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:

This specification covers pneumatic-hydraulic tools for use in the installation of type I blind rivets conforming to MIL-R-7885 (see 6.1).

This report covers torque indicating and limiting devices, also referred to as torque wrenches or torque handles, accessories used to obtain predetermined torque values on nuts, bolts, plumbing, related fasteners and friction of rotating parts, etc; calibration equipment and recommended schedules; proper use of tools and chronic torque problems.

This specification covers pneumatic-hydraulic tools for use in the installation of type I blind rivets conforming to MIL-R-7885 (see 6.1).

This SAE Aerospace Standard (AS) covers high strength thin wall commercial sockets, flexible sockets, box wrenches and torque adaptors which possess the strength, clearances, and internal wrenching design so configured that, when mated with 12-point fasteners conforming to the requirement of AS 870, they shall transmit torque to the fastener without bearing on the outer 5% of the fastener's wrenching points.

This standard establishes the means of assessing the performance of external spline drive wrenching systems for fasteners.

This Aerospace Standard (AS) covers reversible ratchet handles and high strength thin wall commercial sockets, flexible sockets, box wrenches and torque adapters designed for general usage which possess the strength, clearances, and an internal wrenching design so configured that, when mated with 12-point fasteners conforming to the requirement of AS 870, they shall transmit torque to the fastener without bearing on the outer 5% of the fastener's wrenching points.

The thin wall series sockets and box wrenches covered herein are those designed for general usage on aerospace engine 12-point threaded fastener hardware. Standardized wrench clearance dimensions are given, as well as a stringent test procedure to ensure reliability.