ISO 9747:2000

Aerospace - Double-shank ball-ends, in corrosion-resistiant steel, swaged on aircraft control wire rope - Dimensions and loads

This International Standard specifies the characteristics of double-shank ball-ends in corrosion-resistant steel swaged on aircraft control wire rope.

Aéronautique et espace — Embouts à sphère centrale, en acier résistant à la corrosion, à sertir sur câbles de commande d'aéronefs — Dimensions et charges

La présente Norme internationale spécifie les caractéristiques des embouts à sphère centrale, en acier résistant à la corrosion, à sertir sur câbles de commande d'aéronefs

General Information

• Status: Published
• Publication Date: 20-Dec-2000
• ICS: 49.035 - Components for aerospace construction
• Technical Committee: ISO/TC 20 - Aircraft and space vehicles
• Drafting Committee: ISO/TC 20 - Aircraft and space vehicles
• Current Stage: 9093 - International Standard confirmed
• Start Date: 16-Jan-2025
• Completion Date: 13-Dec-2025

Overview

ISO 9747:2000 is an international standard established by the International Organization for Standardization (ISO) that specifies the characteristics of double-shank ball-ends made from corrosion-resistant steel. These fitting components are designed to be swaged onto aircraft control wire ropes. The standard defines precise dimensions, loads, materials, and surface treatments to ensure reliable performance and safety in aerospace applications.

Developed under the ISO technical committee ISO/TC 20 (Aerospace), subcommittee SC 12 (Mechanical Systems Elements), ISO 9747:2000 provides uniform requirements that contribute to the interchangeability, quality, and safety of aerospace control cable assemblies.

Key Topics

• Scope and Application
  The standard applies specifically to double-shank ball-ends used in aircraft control wire ropes. These components must meet strict criteria for dimensions, mechanical load capacity, and material properties.

• Dimensions and Load Capacities
  The standard details dimensional specifications including nominal diameters, lengths, and radius parameters, ensuring that ball-ends fit precisely with control cables. Load abilities are defined in kilonewtons (kN), reflecting their capacity to withstand operational stresses.

• Materials
  Materials are limited to corrosion-resistant steels that comply with related international regulations. The steel grades suitable for these ball-ends are designated in Annex A, with references to standards such as SAE AMS 5639 and SAE AMS 5641 for corrosion-resistant steel bars, wire, and forgings.

• Surface Treatment
  Surface treatments are crucial for corrosion protection and durability. ISO 9747 outlines two acceptable surface processes:

  • Passivation, conforming to ISO 8074, which enhances corrosion resistance via chemical treatment.
  • Grenaillage (shot peening), based on SAE AMS 2431/6A requirements, which improves fatigue strength and surface finish.

• Marking and Identification
  Each ball-end must be clearly identified on the packaging with the designation specified by the standard. Manufacturer-specific markings are optional but packaging identification ensures traceability.

• Technical Specifications Compliance
  The standard requires compliance with ISO 10955 for overall technical specifications related to aircraft control cable end fittings.

Applications

ISO 9747:2000 ball-ends are integral components in aircraft control systems, where mechanical cables transmit pilot inputs to control surfaces such as ailerons, elevators, and rudders. These ball-ends enable secure mechanical linkage while ensuring:

• High Strength and Reliability in critical flight control environments subjected to variable loads and vibrations.
• Corrosion Resistance to withstand atmospheric conditions encountered during flight and in various climates.
• Standardized Fit enabling compatibility and interchangeability across different aerospace manufacturers and maintenance operations.
• Safety Compliance through adherence to rigorous international aerospace standards.

The standard is essential for aerospace manufacturers, maintenance providers, and suppliers involved with control cable assemblies in commercial airplanes, helicopters, and other aircraft.

Related Standards

ISO 9747:2000 references and aligns with several key aerospace and material standards to maintain consistency and quality:

• ISO 2020-1:1997 – Specifications for preformed flexible steel cables used in aircraft control.
• ISO 8074:1985 – Surface treatment of austenitic stainless steel elements.
• ISO 10955:1999 – Technical specifications for aircraft control cable end fittings and turnbuckles.
• SAE AMS 2431/6A – Shot peening media specifications.
• SAE AMS 5639 & 5641 – Standards for corrosion-resistant steels used in aerospace components.
• EN 2465 – European standards for corrosion-resistant steel materials.

These complementary standards help ensure that materials, dimensions, and treatments conform to accepted aerospace engineering practices.

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Keywords: ISO 9747, aerospace ball-ends, corrosion-resistant steel, aircraft control wire rope, double-shank ball-ends, aerospace control cable fittings, swaged ball-ends, aerospace standards, aircraft cable dimensions, aerospace corrosion protection, ISO aerospace standards, aircraft control systems components.

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 9747
First edition
2000-12-15
Aerospace — Double-shank ball-ends, in
corrosion-resistant steel, swaged on
aircraft control wire rope — Dimensions
and loads
Aéronautique et espace — Embouts à sphère centrale, en acier résistant à
la corrosion, à sertir sur câbles de commande d'aéronefs — Dimensions et
charges
A
Reference number
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ii
© ISO
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO
member bodies). The work of preparing International Standards is normally carried out through ISO technical
committees. Each member body interested in a subject for which a technical committee has been established has
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Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.
Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.
International Standard ISO 9747 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles,
Subcommittee SC 12, Mechanical system parts.
Annex A forms a normative part of this International Standard.
iii
INTERNATIONAL STANDARD  © ISO ISO 9747:2000(E)
Aerospace — Double-shank ball-ends, in corrosion-resistant steel,
swaged on aircraft control wire rope — Dimensions and loads
1 Scope
This International Standard specifies the characteristics of double-shank ball-ends in corrosion-resistant steel swaged
on aircraft control wire rope.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this
International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do
not apply. However, parties to agreements based
...

NORME ISO
INTERNATIONALE 9747
Première édition
2000-12-15
Aéronautique et espace — Embouts à
sphère centrale, en acier résistant à la
corrosion, à sertir sur câbles de commande
d'aéronefs — Dimensions et charges
Aerospace — Double-shank ball-ends, in corrosion-resistant steel, swaged
on aircraft control wire rope — Dimensions and loads
A
Numéro de référence
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©  ISO 2000
Droits de reproduction réservés. Sauf prescription différente, aucune partie de cette publication ne peut être reproduite ni utilisée sous quelque
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Imprimé en Suisse
ii
© ISO
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes nationaux de
normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est en général confiée aux
comités techniques de l'ISO. Chaque comité membre intéressé par une étude a le droit de faire partie du comité
technique créé à cet effet. Les organisations internationales, gouvernementales et non gouvernementales, en
liaison avec l'ISO participent également aux travaux. L'ISO collabore étroitement avec la Commission
électrotechnique internationale (CEI) en ce qui concerne la normalisation électrotechnique.
Les Normes internationales sont rédigées conformément aux règles données dans les Directives ISO/CEI, Partie 3.
Les projets de Normes internationales adoptés par les comités techniques sont soumis aux comités membres pour
vote. Leur publication comme Normes internationales requiert l'approbation de 75 % au moins des comités
membres votants.
La Norme internationale ISO 9747 a été élaborée par le comité technique ISO/TC 20, Aéronautique et espace,
sous-comité SC 12, Éléments de systèmes mécaniques.
L'annexe A constitue un élément normatif de la présente Norme internationale.
iii
NORME INTERNATIONALE  © ISO ISO 9747:2000(F)
Aéronautique et espace — Embouts à sphère centrale, en acier
résistant à la corrosion, à sertir sur câbles de commande
d'aéronefs — Dimensions et charges
1 Domaine d’application
La présente Norme internationale spécifie les caractéristiques des embouts à sphère centrale, en acier résistant à
la corrosion, à sertir sur câbles de commande d'aéronefs.
2 Références normatives
Les documents normatifs suivants contiennent des dispositions qui, par suite de la référence qui y est faite,
constituent des dispositions valables pour la présente Norme internationale. Pour les références datées, les
amendements ultérieurs ou les ré
...