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  • BS 9520:1983

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    SPECIFICATION FOR ELECTRICAL CONNECTORS OF ASSESSED QUALITY FOR D.C. AND LOW FREQUENCY APPLICATION: GENERIC DATA, METHODS OF TEST AND CAPABILITY APPROVAL PROCEDURES

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  02-08-2013

    Language(s):  English

    Published date:  01-01-1983

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Cooperating organizations
    Specification
    Section one. Principles and mandatory procedures
    1.1 General matters
    1.1.1 Scope
    1.1.2 Related documents
    1.1.3 Terminology
    1.1.3.1 General terms
    1.1.3.2 Connector accessory terms
    1.1.3.3 Connector terms
    1.1.3.4 Contact and termination terms
    1.1.3.5 Mounting terms
    1.1.3.6 Tool terms
    1.1.4 Letter symbols, signs and abbreviations
    1.1.5 Graphical symbols
    1.1.6 Marking of the component and package
    1.1.7 Eligibility for qualification approval
    1.1.8 Structurally similar components
    1.1.9 Delayed delivery
    1.1.10 Supplementary procedures for qualification
              approval
    1.1.10.1 Procedure in the event of failure at group C or
              Group D inspection
    1.1.10.2 Release before completion of group B tests
    1.1.11 Certified test records
    1.1.12 Standard ratings and characteristics
    1.1.12.1 General
    1.1.12.2 Electrical ratings
    1.1.12.3 Environmental ratings
    1.1.12.4 Endurance ratings
    1.1.12.5 Electrical characteristics
    1.1.13 Unchecked parameters
    1.2 Test procedures
    1.2.1 Measurement conditions
    1.2.1.1 General conditions
    1.2.1.2 Airframe connectors: wiring of specimens,
              class S, H and N only
    1.2.1.3 Order of tests
    1.2.2 Visual examination
    1.2.3 Dimensioning and gauging procedures
    1.2.3.1 Dimensions outline
    1.2.3.2 Dimensions, detail and materials
    1.2.3.3 Gauging procedure
    1.2.4 Electrical test procedures
    1.2.4.1 Mounting
    1.2.4.2 Contact resistance
    1.2.4.3 Housing (shell) electrical continuity
    1.2.4.4 Insulation resistance
    1.2.4.5 Voltage proof
    1.2.4.6 Current overload
    1.2.4.7 Shielding effectiveness
    1.2.4.8 Current switching
    1.2.5 Mechanical test procedures
    1.2.5.1 General
    1.2.5.2 Mass
    1.2.5.3 Engaging and separating force, connector
    1.2.5.4 Contact retention (in insert)
    1.2.5.5 Insert retention in housing (shell) axial
    1.2.5.6 Insert retention in housing (shell) torsional
    1.2.5.7 Mechanical impact (free connectors only)
    1.2.5.8 Cable clamping (for connectors with cable
              fixing devices)
    1.2.5.9 Contact holding force (for resilient contacts
              only)
    1.2.5.10 Probe damage (applicable only to connectors
              having female contacts
    1.2.5.11 Insert ageing (for removable contact types
              only)
    1.2.5.12 Compass safe distance
    1.2.5.13 Static load transverse (fixed connectors only)
    1.2.5.14 Moulding strength test
    1.2.5.15 Coupling pin strength
    1.2.5.16 Grounding contact spring holding force
    1.2.5.17 Contact dislodgement by cable nutation (contact
              walk-out)
    1.2.5.18 Contact gauge location and retention within
              insert
    1.2.5.19 Strength of insertion/extraction tools
    1.2.5.20 Coupled strength (connectors with locking
              devices)
    1.2.5.21 Accessory thread strength
    1.2.5.22 External bending moment
    1.2.5.23 Insert grommet bonding
    1.2.5.24 Cable flexing
    1.2.5.25 Male contact protection
    1.2.5.26 Male contact stability
    1.2.5.27 Engaging and separating (for twist-pull)
              coupling connectors having lanyard or lever
              release)
    1.2.5.28 Locking integrity
    1.2.5.29 Torsional overload (locking devices)
    1.2.5.30 Misuse of contact insertion/extraction tool
    1.2.5.31 Termination torsion
    1.2.5.32 Guide key retention
    1.2.5.33 Locking (safety) wire pull out
    1.2.6 Environmental test procedure
    1.2.6.1 General
    1.2.6.2 Bump
    1.2.6.3 Vibration
    1.2.6.4 Shock
    1.2.6.5 Acceleration, steady state
    1.2.6.6 Robustness of termination
    1.2.6.7 Soldering
    1.2.6.8 Rapid change of temperature
    1.2.6.9 Flammability
    1.2.6.10 Fire resistance failure
    1.2.6.11 Temperature overload
    1.2.6.12 Climatic sequence: general
    1.2.6.13 Immersion (at low air pressure)
    1.2.6.14 Sealing, immersion
    1.2.6.15 Damp heat (steady state)
    1.2.6.16 Mould growth
    1.2.6.17 Corrosion, salt mist
    1.2.6.18 Dust
    1.2.6.19 Pressure sealing
    1.2.6.20 Resistance to fluids
    1.2.6.21 Corrosion, industrial atmosphere
    1.2.6.22 Climatic sequence: airframe application
    1.2.6.23 Cold
    1.2.6.24 Thermal shock
    1.2.6.25 Cold handling (airframe)
    1.2.7 Endurance test procedures
    1.2.7.1 Mechanical operation
    1.2.7.2 Electrical load and temperature
    1.2.7.3 Mechanical load and temperature
    Section two. General rules for the preparation of detail
    specifications
    2.1 Basic information
    2.1.1 Object and form of detail specification
    2.1.2 Originator of the detail specification
    2.1.3 Detail specification number
    2.1.4 Description of the component and intended
              application
    2.1.5 Drawings
    2.1.5.1 Pattern illustration
    2.1.5.2 Outline drawings
    2.1.5.3 Control drawings
    2.1.6 Ratings (including limiting conditions of use)
    2.1.7 Characteristics
    2.1.8 Related documents
    2.1.9 Additional information
    2.2 Inspection requirements
    2.3 Certified test records
    2.4 Instructions for ordering components
    Section three. Capability approval procedure
    3.1 General
    3.1.1 Introduction
    3.1.2 Eligibility for capability approval
    3.1.3 Delayed delivery
    3.1.4 Supplementary procedures for capability
              approval
    3.1.5 Capability approval procedure chart
    3.2 Manufacturing approval
    3.3 Capability approval
    3.3.1 Category of capability approval
    3.3.2 Capability approval plan
    3.4 Specifications
    3.4.1 General
    3.4.2 'Catalogue' items
    3.4.3 Customer detail specification (CDS)
    3.5 Maintenance of capability approval
    3.5.1 General
    3.5.2 Process control testing
    3.5.3 Capability boundary testing
    3.6 Changes of approval
    3.6.1 General
    3.6.2 Design verification of new patterns and
              approval of new processes
    3.6.3 Permanent extension of approval
    3.6.4 Temporary extension of approval
    3.7 Release for delivery
    Appendices
    A. Guide to the presentation of drawing information
    B. Typical jig for bump and vibration tests
    C. Typical contact test prod-tool
    D. Equipment for dust test
    E. Fire-resistance failure test fixture assembly
    F. Method of test for moulding strength
    G. Apparatus and method of test for combined humidity,
         temperature and pressure tests
    H. Vibration test curves
    J. Contact dislodgement by cable nutation (contact
         walk-out)
    K. Method of test for accessory thread strength
    L. Method of test for external bending moment
    M. Specimens for type tests: preparation of leads;
         cables to be used
    N. Recommended method of test for current overload
    O. Method of test for male contact stability
    P. Method of test for mechanical load and temperature
    Q. Method of test for locking integrity
    R. Method of test for current switching
    S. Method of test for termination torsion
    T. Suggested method of test for guide key retention
    U. Example abstract
    Tables
    1. Design verification
    2. Capability boundary tests
    Numerous figures

    Abstract - (Show below) - (Hide below)

    Applies to connectors mainly used on telecommunication and allied electronic equipment. It gives appropriate terminology and definitions, specifies requirements for general data, test methods and includes rules for the preparation of detail specifications. Inspection requirements are also given and reference is made to the preparation and issue of certified test records. Capability approval procedures are included.

    General Product Information - (Show below) - (Hide below)

    Committee EPL/48
    Development Note Supersedes BS 9520(1974), 80/28568 DC, 86/24483 DC, 87/25847 DC, 90/33074 DC and 92/22769 DC. (05/2005) Inactive for the new design. (11/2008)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 5310-2A(1976) : 1976 HAND CRIMPING TOOLS FOR THE TERMINATION OF ELECTRICAL CABLES WIRES FOR LOW FREQ & RADIO FREQ APP - CRIMPING TOOLS SIZES FIXED DIE SIZES A TO E FOR RADIO FREQ CONNECTORS & CONCENTRIC CONTACTS
    BS SP20(1949) : LATEST PANEL TYPE AIR FILTER ELEMENTS FOR USE WITH INTERNAL COMBUSTION ENGINES AND COMPRESSORS ON AIRCRAFT
    BS 9000(1967) : LATEST
    BS G 195:1966 SPECIFICATION FOR MINYVIN TYPE ELECTRIC CABLES FOR AIRCRAFT
    BS G210(1970) : 1970 SPECIFICATION FOR PTFE INSULATED EQUIPMENT WIRES (WITH SILVER PLATED COPPER CONDUCTORS)
    BS G212(1971) : 1971 SPECIFICATION FOR GENERAL REQUIREMENTS FOR AIRCRAFT ELECTRICAL CABLES
    BS 2045:1965 PREFERRED NUMBERS
    BS 4727(1971) : LATEST
    BS 9521:1983 SPECIFICATION FOR REMOVABLE CONTACTS OF ASSESSED QUALITY FOR ELECTRICAL CONNECTORS AS DEFINED BY BS 9520: GENERIC DATA, METHODS OF TEST AND RULES FOR THE PREPARATION OF DETAIL SPECIFICATIONS
    BS 5310-1(1976) : 1976 SPECIFICATION HAND CRIMPING TOOLS FOR THE TERMINATION OF ELECTRICAL CABLES AND WIRES FOR LOW FREQUENCY AND RADIO FREQUENCY APPLICATIONS - GENERAL REQUIREMENTS AND TESTS
    BS G 192:1965 SPECIFICATION FOR EFGLAS TYPE ELECTRIC CABLES WITH COPPER CONDUCTORS FOR AIRCRAFT
    BS G202(1968) : AMD 1158 SPECIFICATION FOR DESIGN AND PERFORMANCE REQUIREMENTS FOR AIRCRAFT ELECTRICAL PLUGS AND SOCKETS FOR D.C. AND LOW FREQUENCY A.C. APPLICATIONS
    BS 2G199(1984) : 1984 AMD 4901 SCHEDULE FOR TABLES RELATING TO ALTITUDES, AIRSPEED AND MACH NUMBERS FOR USE IN AERONAUTICAL INSTRUMENT DESIGN AND CALIBRATION
    BS 646(1958) : 1958 SPECIFICATION FOR CARTRIDGE FUSE-LINKS (RATED UP TO 5 AMPERES) FOR A.C. AND D.C. SERVICE
    BS 5310-2B(1981) : 1981 HAND CRIMPING TOOLS FOR TERMINATION OF ELECTRICAL CABLES WIRES LOW FREQ & RADIO FREQ APP - REMOVABLE & INTERCHANGEABLE DIES A TO G & Q TO S FOR RADIO FREQ CONNECTORS AND CONCENTRIC CONTACTS
    BS 2011(1967) : LATEST
    BS 6001(1972) : AMD 5054 SAMPLING PROCEDURES FOR INSPECTION BY ATTRIBUTES - SPECIFICATION FOR SAMPLING PLANS INDEXED BY ACCEPTABLE QUALITY LEVEL (AQL) FOR LOT - BY - LOT INSPECTION
    BS 5310-3A(1988) : 1988 HAND CRIMPING TOOLS FOR THE TERMINATION OF ELECTRICAL CABLES AND WIRES FOR LOW FREQUENCY AND RADIO FREQUENCY APPLICATIONS - SPECIFICATIONS FOR HAND CRIMPING TOOLS FOR CONTACTS OF ELECTRICAL CONNECTIONS
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