BS-A-302-1992 ISO-5858-1991.pdf
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1、BRITISH STANDARD BS A 302:1992 ISO 5858:1991 Self-locking nuts with maximum operating temperature less than or equal to 425 C Procurement specification Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:32:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 302:1
2、992 This British Standard, having been prepared under the direction of the Aerospace Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 September 1992 BSI 01-2000 The following BSI references relate to the work on this standard: Committee
3、 reference ACE/12 Draft for comment 86/77250 DC ISBN 0 580 21140 1 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Aerospace Standards Policy Committee (ACE/-) to Technical Committee ACE/12, upon which the following bodies were represent
4、ed: The Association of Electronics, Telecommunications and Business Equipment Industries British Industrial Fasteners Federation Ministry of Defence Society of British Aerospace Companies Ltd. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, Londo
5、n South Bank University, Sat Dec 09 03:32:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 302:1992 BSI 01-2000i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Definitions1 4Quality assurance3 5Requirements3 Annex A (normative) Type of pe
6、rmissible surface discontinuities20 Annex B (informative) Bibliography20 Figure A.120 Table 1 Technique requirements and test methods4 Table 2 Summary of qualification and production acceptance inspections and tests13 Table 3 Loads to be applied in the 80 % axial load test14 Table 4 Loads to be appl
7、ied in the 100 % axial load test14 Table 5 Torques to be applied for testing the wrenching feature15 Table 6 Tightening torques to be applied for the stress embrittlement test and for measuring locking torques15 Table 7 Torques to be applied in the torque-out test16 Table 8 Loads to be applied in th
8、e push-out test16 Table 9 Locking torques17 Table 10 Tightening torques to be applied in the vibration test17 Table 11 Classification of visual and dimensional inspections18 Table 12 Sampling plans for visual and dimensional inspections and sealing test18 Table 13 Sampling plans for the inspection o
9、f mechanical and metallurgical characteristics19 Table 14 Maximum depth of permissible surface discontinuities19 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:32:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 302:1992
10、 ii BSI 01-2000 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee. It is identical with ISO 5858:1991 Aerospace Self-locking nuts with maximum operating temperature less than or equal to 425 C Procurement specification published
11、 by the International Organization for Standardization (ISO). The Technical Committee has reviewed the provisions of ISO 691:1983, ISO 3452:1984, ISO 3887:1976 and ISO 8788:1987, to which normative reference is made in the text, and has decided that they are acceptable for use in conjunction with th
12、is standard. Related British Standards to ISO 691:1983 are BS 192:1982 and BS 3555:1988. Related British Standards to ISO 3887:1976 are BS 6617-1:1985 and BS 6617-2:1987. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are respons
13、ible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references International StandardCorresponding British Standard ISO 1463:1982BS 5411 Methods of test for metallic and related coatings Part 5:1984 Measurement of lo
14、cal thickness of metal and oxide coatings by the microscopical examination of cross-sections (Identical) ISO 2859-1:1989BS 6001 Sampling procedures for inspection by attributes Part 1:1991 Specification for sampling plans indexed by acceptable quality level (AQL) for lot-by-lot inspection (Identical
15、) ISO 5855-2:1988BS 6293 MJ threads for aerospace construction Part 2:1982 Specification for dimensions for bolts and nuts (Identical) ISO 7403:1983BS A 294:1984 Specification for spline drive wrenching configuration. Metric series (Identical) ISO 7481:1984BS A 295:1985 Methods of test for self-lock
16、ing nuts with maximum operating temperature less than or equal to 425 C (Identical) ISO 9002:1987BS 5750 Quality systems Part 2:1987 Specification for production and installation (Identical) ISO 9227:1990BS 7479:1991 Method for salt spray corrosion tests in artificial atmospheres (Identical) Summary
17、 of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 20, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside fron
18、t cover. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:32:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 302:1992 BSI 01-20001 1 Scope This International Standard specifies the requirements for metric self-locking nuts, with MJ thread, for use in aerosp
19、ace construction at a maximum temperature less than or equal to 425 C. It applies to self-locking nuts as defined above, provided that reference is made to this International Standard in the relevant definition document. 2 Normative references The following standards contain provisions which, throug
20、h reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applyi
21、ng the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 691:1983, Wrench and socket openings Metric series Tolerances for general use. ISO 1463:1982, Metallic and oxide coatings Measurement of coating thi
22、ckness Microscopical method. ISO 2859-1:1989, Sampling procedures for inspection by attributes Part 1: Sampling plans indexed by acceptable quality level (AQL) for lot-by-lot inspection. ISO 3452:1984, Non-destructive testing Penetrant inspection General principles. ISO 3887:1976, Steel, non-alloy a
23、nd low-alloy Determination of depth of decarburization. ISO 5855-2:1988, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts. ISO 7403:1983, Fasteners for aerospace construction Spline drive wrenching configuration Metric series. ISO 7481:1984, Aerospace Fasteners Self-locking nuts with
24、 maximum operating temperature less than or equal to 425 C Test methods. ISO 8788:1987, Aerospace Fasteners Tolerances of form and position for nuts. ISO 9002:1987, Quality systems Model for quality assurance in production and installation. ISO 9227:1990, Corrosion tests in artificial atmospheres Sa
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