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Standard

Study of Wrenching Engagement on AS870C Double Hexagon (12 Point) Fasteners

2019-05-10
CURRENT
AIR1936A
This study addresses the adequacy of sockets, wrenches, and torque adapters conforming to AS954 to wrench 12 point fasteners with wrenching configurations conforming to AS870C. Reported wrenching problems with smaller sizes are investigated through examining the combined tolerances on the fasteners and wrenches, conducting torque testing on typical high strength lock nuts. Possible solutions to correct these wrenching problems are presented.
Standard

Socket Wrenches, Hand (Metric)

2013-02-10
CURRENT
MA4534A
This SAE Aerospace Standard covers high strength commercial sockets and universal sockets which possess the strength, clearances, and internal wrenching design so configured that, when mated with hexagon (6 point) fasteners, they shall transmit torque to the fastener without bearing on the outer 5% of the fastener’s wrenching points. This document provides additional requirements beyond ANSI B107.5 appropriate for aerospace use. Inclusion of dimensional data in this document is not intended to imply all of the products described therein are stock production sizes. Consumers are requested to consult with manufacturers concerning lists of stock production sizes.
Standard

Metric Sockets, Wrenches, Hand Twelve Point, High Strength, Thin Wall

2012-07-24
CURRENT
AS955
This SAE Aerospace Standard (AS) covers high strength thin wall (commercial) metric sockets, universal metric sockets, metric box wrenches and metric 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 ISO 4095, they shall transmit torque to the fastener without bearing on the outer 5% of the fastener’s wrenching points. This standard provides additional requirements beyond ASME B107.100 and B107.5M appropriate for aerospace use. Inclusion of dimensional data in this document 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. The dimensional limits of box and combination wrench lengths have been established to provide configuration control for tool storage applications.
Standard

Handles and Attachments for Hand Socket Wrenches

2004-01-23
HISTORICAL
AS4283A
This SAE Aerospace Standard (AS) covers handles and attachments for use with sockets and crowfoot wrenches in aerospace applications involving high torque, limited clearances, and generally clean conditions. This document provides additional requirements beyond ANSI B107.10M appropriate for aerospace use. The use of adapters, either enlarging or reducing, for turning high-strength fasteners is an unsafe practice. Adapters are not included in this document. Inclusion of dimensional data in this document is not intended to imply all of the products described therein are stock production sizes. Consumers are requested to consult with manufacturers concerning lists of stock production sizes.
Standard

Coating Requirements for Aerospace Hand Tools

2004-01-23
HISTORICAL
AS4984
This SAE Aerospace Standard (AS) covers requirements for nickel-chromium coatings, black oxide or black phosphate coatings, and alternate coatings for aerospace hand tools.
Standard

Coating Requirements for Aerospace Hand Tools

2011-07-08
HISTORICAL
AS4984A
This SAE Aerospace Standard (AS) covers requirements for nickel-chromium coatings, black oxide or black phosphate coatings, and alternate coatings for aerospace hand tools.
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