SIST EN 4165-023:2009

Overview

The SIST EN 4165-023:2009 standard is part of the Aerospace series dedicated to electrical rectangular, modular connectors designed for continuous operation at temperatures up to 175 °C. This specific part, Part 023, defines the tooling requirements for the assembly of receptacle coding components used within this connector family. Developed by CEN and ASD-STAN, it establishes the essential tooling characteristics, designation, and marking protocols needed to ensure proper and reliable assembly.

As aerospace electrical connectors demand precision, durability, and performance under harsh thermal conditions, SIST EN 4165-023:2009 provides a standardized approach to tooling that optimizes manufacturing quality and interoperability across aerospace systems.

Key Topics

• Scope and Purpose

  • Specifies tooling design and dimensions for assembling rectangular electrical receptacle coding components operating continuously at 175 °C.
  • Ensures compatibility within the modular connector family defined under EN 4165 series.

• Tooling Characteristics

  • Defines dimensional requirements critical for assembling and securing the coding components.
  • Includes insertion and extraction tools optimized for aerospace-grade connectors.

• Designation and Marking

  • Tooling is designated with clear identifiers based on the EN 4165 system, e.g., EN4165TC, with ‘T’ indicating tool and ‘C’ for coding component tooling.
  • Marking follows the guidelines of EN 2424, category P - ensuring traceability and compliance with aerospace marking standards.

• Normative References

  • Aligns with EN 4165-001 (technical specification for connectors) and EN 2424 (aerospace product marking), ensuring comprehensive integration within aerospace product standards.

Applications

SIST EN 4165-023:2009 tooling standards are critical in aerospace manufacturing environments where:

• Connector Assembly
  Specialized tooling is required for the precise assembly of receptacle coding components, which serve to uniquely identify connectors and prevent mismating in complex aerospace electrical systems.

• Maintenance and Repair
  Tools defined by this standard facilitate safe and efficient removal and replacement of coding modules during maintenance operations without damage to connectors.

• Quality Control and Compliance
  Aerospace manufacturers and suppliers use the tooling standard to standardize assembly procedures, ensuring parts meet stringent industry safety, performance, and traceability requirements for connectors operating at elevated temperatures.

• Interoperability
  By using standardized tooling, different aerospace manufacturers can maintain compatibility and interchangeability of electrical connector components, supporting supply chain and lifecycle management.

Related Standards

• EN 4165-001: Technical specifications for rectangular modular connectors operating continuously at 175 °C - foundational for the entire connector family.
• EN 2424: Marking of aerospace products - provides marking requirements ensuring product traceability and conformity.
• ASD-STAN Standards: Additional aerospace standards from the Aerospace and Defence Industries Association of Europe aligning electrical connector systems and tooling.
• CENELEC and National Standards: This standard is harmonized across European national standards organizations under CEN directives, supporting consistent aerospace industry compliance throughout Europe.

Keywords: EN 4165-023, aerospace electrical connectors, receptacle coding components, assembly tooling, modular rectangular connectors, 175 °C operating temperature, aerospace connector tooling, European aerospace standards, EN 4165 series, EN 2424 marking.