BS 9521:1983
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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
Hardcopy , PDF
English
31-05-1983
01-11-2008
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
1.1.4 Letter symbols, signs and abbreviations
1.1.5 Graphic symbols
1.1.6 Marking of 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
1.1.11 Certified test records
1.1.12 Standard ratings and characteristics
1.1.13 Unchecked parameters
1.1.14 Procedure to be followed in the event of failure
at group C or group D inspection
1.1.15 Ordering information
1.1.16 Release before completion of group B tests
1.1.17 Drawings
1.1.18 Contact identification numbers
1.2 Test procedures
1.2.1 Measurement conditions
1.2.2 Visual examination
1.2.3 Dimensioning and gauging procedures
1.2.4 Electrical test procedures
1.2.5 Mechanical test procedures
1.2.6 Environmental test procedures
1.2.7 Endurance test procedures
Section two. Rules for the preparation of detail
specifications
2.1 General information
2.2 Originator of the detail specification
2.3 Detail specification number
2.4 Related documents
2.5 Additional information
Section three. Quality assessment procedure
3.1 Selection of specimens
3.1.1 Full assessment level
3.1.2 Basic assessment level
3.2 Information to be given in the detail
specification
3.2.1 General
3.2.2 Acceptance criteria for group D
3.2.3 Qualification approval
3.2.4 Quality conformance inspection
Section four. Inspection requirements
Appendices
A. Example detail specification (full assessment level)
B. Contact identification markings
C. Method of test for axial concentricity
D. Method of test for contact strength
E. Methods of test for qualification approval of crimp
terminations
Tables
1. Contact engaging and separating forces
2. Comparative table of tests
3. Mandatory inspection requirements for full
assessment level
4. Mandatory inspection requirements for basic
assessment level
5. Colour coding identification
6. Bending moments
7. Tests
8. Pull-off loads
9. Number of load and temperature cycles for
terminations operating at various temperatures
Figures
1. Apparatus for testing axial concentricity
2. Dial indicator probe
3. Contact under test
4. Illustration of test method A
5. Illustration of test method B
Provides details on general matters, terminology, test procedures for electrical contacts intended for insertion and removal by the user and suitable for connectors defined by BS 9520. Also contains rules for the preparation of detail specifications.
| Committee |
EPL/48
|
| DevelopmentNote |
Inactive for the new design. Supersedes 80/21921 DC and 86/24474 DC (10/2005)
|
| DocumentType |
Standard
|
| Pages |
42
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
This standard has been withdrawn and is no longer current. No replacement edition is available.
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