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Aircraft - Nickel-chromium and nickel-aluminium thermocouple extension cables - Part 4: Crimp-type butt connectors dimensions
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Basic data
| Standard ID | GB/T 46343.4-2025 (GB/T46343.4-2025) |
| Description (Translated English) | Aircraft - Nickel-chromium and nickel-aluminium thermocouple extension cables - Part 4: Crimp-type butt connectors dimensions |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | V21 |
| Classification of International Standard | 49.060 |
| Word Count Estimation | 6,629 |
| Date of Issue | 2025-10-05 |
| Date of Implementation | 2026-05-01 |
| Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China |
GB/T 46343.4-2025: Aircraft - Nickel-chromium and nickel-aluminium thermocouple extension cables - Part 4: Crimp-type butt connectors dimensions
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 49.060
CCSV21
National Standards of the People's Republic of China
Aircraft Ni-Chromium-Ni-Aluminum Thermocouple Extension Cable
Part 4.Dimensions of Crimped Joints
extensioncables-Part 4.Crimp-typebutconnectors-Dimensions,IDT)
Published on 2025-10-05
Implemented on May 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document is Part 4 of GB/T 46343 "Extension Cables for Nickel-Chromium/Nickel-Aluminum Thermocouples for Aircraft". GB/T 46343 has been published.
The following section.
---Part 1.General Requirements and Tests for Conductors;
---Part 2.General Requirements and Testing for Termination Devices;
---Part 3.Dimensions of Crimped Ring Terminals;
---Part 4.Dimensions of Crimped Fittings
This document is equivalent to ISO 8056-4.1987 "Aircraft - Nickel-chromium/nickel-aluminum thermocouple extension cables - Part 4.Crimping joints".
size".
This document adds two chapters. "Normative References" and "Terms and Definitions".
The following minimal editorial changes have been made to this document.
---To harmonize with existing standards, the standard title has been changed to "Aircraft Nickel-Chromium/Nickel-Aluminum Thermocouple Extension Cables Part 4.Crimping Joints"
size".
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed and is under the jurisdiction of the National Aircraft Standardization Technical Committee (SAC/TC435).
This document was drafted by. Shanghai Aircraft Design and Research Institute of Commercial Aircraft Corporation of China, Ltd., Shanghai Aircraft Manufacturing Co., Ltd., and AVIC.
Tongfei South China Aircraft Industry Co., Ltd., Shenzhen Asia-Pacific Aviation Technology Co., Ltd., Guangzhou Kaihengke Plastics Co., Ltd., AVIC Optoelectronic Technology
Technology Co., Ltd., and Chongqing Materials Research Institute Co., Ltd.
The main drafters of this document are. Li Wencong, Lu Xi, Shi Xialin, Yao Yuke, Chen Qian, Sun Chao, Shen Jingqiang, Xiao Lu, He Lunying, Ni Zhiyu, and Yu Shui.
Bi Wanying, Wang Wenda, Wang Hong.
Introduction
GB/T 46343 "Extension Cables for Nickel-Chromium-Nickel-Aluminum Thermocouples for Aircraft" specifies extension cables for nickel-chromium-nickel-aluminum thermocouples suitable for aircraft.
The general requirements, tests, and dimensions for conductors and terminations are proposed to consist of four parts.
---Part 1.General requirements and tests for conductors.
---Part 2.General requirements and testing for termination components.
---Part 3.Dimensions of crimped ring terminals.
---Part 4.Dimensions of Crimped Fittings
Aircraft Ni-Chromium-Ni-Aluminum Thermocouple Extension Cable
Part 4.Dimensions of Crimped Joints
1 Scope
This document specifies the requirements for aircraft temperature indication and recording devices and control systems, which are compatible with a rated voltage of 600V and a maximum frequency of.2000Hz.
Dimensions of the crimp connector for nickel-chromium/nickel-aluminum thermocouple extension cables.
Note. General requirements and testing requirements for this product are given in ISO 8056-2.
2 Normative references
This document has no normative references.
3 Terms and Definitions
This document does not contain any terms or definitions that need to be defined.
4.Dimensions, conductor specifications, and cable insulation outer diameter
The dimensions, conductor specifications, and cable insulation outer diameter shall conform to the specifications in Figure 1.
Code type
Conductor specifications
mm2 AWGa
Cable insulation outer diameter
mm
mm
max
mm
Sheath color
Magnetic/Non-magnetic
A Ni-Al
B Ni-Cr
0.5~1.5 22~16 2.7~3.5 1.6 0.25 0 22
C Ni-Al
D Ni-Cr
1.3~2.1 16~14 3.5~5.0 2.2 0.25 0 25
E Ni-Al
F Ni-Cr
3.1~5.1 12~10 3.8~5.8 3.3 0.25 0 33
Ni-Al.
Green, magnetic
Ni-Cr. Gray,
non-magnetic
a US wire gauge.
Figure 1.Dimensions, conductor specifications, and cable insulation outer diameter
...
