SIST EN 2591-6307:2004

• Abstract:

  This standard specifies a method of assessing the effects of a controlled salt laden atmosphere on optical connection elements (including permanent connections) and fibre optic couplers.; It shall be used together with EN 2591-100.

• Status: Published
• Publication Date: 30-Apr-2004
• ICS: 49.060 - Aerospace electric equipment and systems
• Technical Committee: I08 - Imaginarni 08
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-May-2004
• Due Date: 01-May-2004
• Completion Date: 01-May-2004
• Ref Project: EN 2591-6307:2001 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 6307: Optical elements - Salt mist

• Refers: SIST EN 2591-100:2024 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 100: General
• Effective Date: 28-Jan-2026
• Refers: SIST EN 2591-307:2012 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 307: Salt mist
• Effective Date: 28-Jan-2026
• Refers: SIST EN 2591-6101:2004 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 6101: Optical elements - Visual examination
• Effective Date: 28-Jan-2026
• Refers: SIST EN 2591-408:2001 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 408: Mating and unmating forces
• Effective Date: 28-Jan-2026
• Refers: SIST EN 2591-601:2004 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 601: Optical elements - Insertion loss
• Effective Date: 28-Jan-2026
• Refers: SIST EN 2591-205:2001 - Aerospace series - Elements of electrical and optical connection - Test methods - Part 205: Housing (shell) electrical continuity
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3155-077:2012 - Aerospace series - Electrical contacts used in elements of connection - Part 077: Contacts, electrical, female, type A, crimp, class R - Product standard
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3155-005:2019 - Aerospace series - Electrical contacts used in elements of connection - Part 005: Contacts, electrical, female, type A, crimp, class T - Product standard
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3155-001:2025 - Aerospace series - Electrical contacts used in elements of connection - Part 001: Technical Specification
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3155-013:2009 - Aerospace series - Electrical contacts used in elements of connection - Part 013: Contacts, electrical, triaxial, size 8, female, type D, solder, class R - Product standard
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3155-035:2012 - Aerospace series - Electrical contacts used in elements of connection - Part 035: Contacts, electrical, triaxial, size 08, female, type D, crimp, class R - Product standard
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3660-014:2008 - Aerospace series - Cable outlet accessories for circular and rectangular electrical and optical connectors - Part 014: Cable outlet, style A, 90°, unsealed, with cable tie strain relief - Product standard
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3155-004:2019 - Aerospace series - Electrical contacts used in elements of connection - Part 004: Contacts, electrical, male, type A, crimp, class T - Product standard
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 4701-001:2014 - Aerospace series - Connectors, optical, rectangular, modular, operating temperature 125 °C, for EN 4531-101 contacts - Part 001: Technical specification
• Effective Date: 28-Jan-2026
• Referred By: SIST EN 3155-015:2019 - Aerospace series - Electrical contacts used in elements of connection - Part 015: Contacts, electrical, female, type A, crimp, class S - Product standard
• Effective Date: 28-Jan-2026

Overview

SIST EN 2591-6307:2004 is a European aerospace standard specifying test methods for evaluating the effects of salt mist on optical connection elements, including permanent connections and fibre optic couplers. Developed under the CEN framework and originally prepared by the European Association of Aerospace Manufacturers (AECMA), this standard ensures the reliability and durability of optical components exposed to corrosive salt-laden atmospheres. It complements EN 2591-100, which provides general test methodologies for electrical and optical connection elements.

This standard is vital for aerospace manufacturers and suppliers focusing on the integrity and performance of optical connections in environments prone to salt mist exposure. Its systematic approach to testing helps safeguard optical elements against corrosion-related failures, ensuring optimal functionality and safety in aerospace systems.

Key Topics

• Scope and Application
  EN 2591-6307 addresses controlled salt mist atmospheric tests on aerospace optical connection elements and fibre optic couplers. It applies to parts that may be subject to corrosive marine or salt-laden environments during operation or storage.

• Testing Methodology
  The standard mandates specimen preparation consistent with product-specific standards, including termination of contacts and mating sequences when required. The salt mist constitution follows the requirements defined in EN 2591-307.

• Test Procedures

  • Initial and final measurements include visual inspection and performance testing.
  • Recovery involves washing specimens with demineralized water and drying, with optical surfaces receiving appropriate cleaning.
  • Post-exposure assessments focus on detecting cracking, plating defects, pitting, and surface deterioration.

• Measurement Criteria
  Compliance is verified through tests on:

  • Visual examination per EN 2591-6101
  • Insertion loss assessment according to EN 2591-601
  • Electrical continuity of housing shells as per EN 2591-205 (if electrical aspects are present)
  • Mating and unmating force measurements following EN 2591-408

• Normative References
  The standard is applied in conjunction with EN 2591-100 and other relevant parts covering electrical and optical connection test methods. This ensures a comprehensive evaluation aligned with aerospace industry expectations.

Applications

SIST EN 2591-6307:2004 is designed for aerospace and defense industries where optical connection elements are critical components, particularly in environments exposed to high humidity, salt fog, or marine atmospheres. Key applications include:

• Avionics Systems
  Ensuring optical fiber connections maintain signal integrity and reliability despite corrosive conditions encountered in aircraft environments.

• Satellite and Spacecraft Equipment
  Validating optical connectors used in systems that may face salt contamination during ground handling or launch phases.

• Marine Aerospace Platforms
  Protecting optical communications and control systems installed on naval aircraft and amphibious vehicles from salt mist-induced degradation.

• Quality Assurance and Compliance
  Assisting manufacturers in meeting stringent aerospace standards and regulatory requirements for product acceptance and certification.

Implementing the EN 2591-6307 testing methodology supports extended lifecycle, enhanced safety, and reduced maintenance costs by verifying material and connection resilience against salt-induced corrosion.

Related Standards

The EN 2591-6307 standard should be used alongside several other crucial aerospace connection element test standards to deliver a holistic assessment:

• EN 2591-100 – General test methods for electrical and optical connection elements
• EN 2591-307 – Salt mist test applicable to electrical connection elements' shells
• EN 2591-601 – Optical elements insertion loss measurement
• EN 2591-6101 – Visual examination for optical elements
• EN 2591-205 – Housing electrical continuity testing
• EN 2591-408 – Mating and unmating forces for connectors

Together these standards provide a comprehensive framework for evaluating the performance, durability, and environmental resistance of aerospace electrical and optical connection components.

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Keywords: EN 2591-6307, aerospace optical connectors, salt mist test, fibre optic couplers, corrosion resistance, optical connection elements, aerospace standards, environmental testing, insertion loss, aerospace quality assurance, optical element durability, CEN standard, salt fog exposure.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Elements of electrical and optical connection - Test methods - Part 6307: Optical elements - Salt mistLuft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prüfverfahren - Teil 6307: Optische Elemente - SalznebelSérie aérospatiale - Organes de connexion électrique et optique - Méthodes d'essais - Partie 6307 : Organes optiques - Brouillard salinAerospace series - Elements of electrical and optical connection - Test methods - Part 6307: Optical elements - Salt mist49.060Aerospace electric equipment and systemsICS:Ta slovenski standard je istoveten z:EN 2591-6307:2001SIST EN 2591-6307:2004en01-maj-2004SIST EN 2591-6307:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 2591-6307November 2001ICS 49.060English versionAerospace series - Elements of electrical and optical connection- Test methods - Part 6307: Optical elements - Salt mistSérie aérospatiale - Organes de connexion électrique etoptique - Méthodes d'essais - Partie 6307: Organesoptiques - Brouillard salinLuft- und Raumfahrt - Elektrische und optischeVerbindungselemente - Prüfverfahren - Teil 6307: OptischeElemente - SalznebelThis European Standard was approved by CEN on 4 June 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 2591-6307:2001 ESIST EN 2591-6307:2004
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