BS-ISO-16246-2005.pdf
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1、BRITISH STANDARD BS ISO 16246:2005 Road vehicles M12 x 1,25 spark-plugs with flat seating and 14 mm hexagon and their cylinder head housing ICS 43.060.50 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 16246:2005 This British Standa
2、rd was published under the authority of the Standards Policy and Strategy Committee on 11 May 2005 BSI 11 May 2005 ISBN 0 580 459713 National foreword This British Standard reproduces verbatim ISO 16246:2005 and implements it as the UK national standard. The UK participation in its preparation was e
3、ntrusted to Technical Committee MCE/9, Ignition equipment for spark ignition engines, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications
4、referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary p
5、rovisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretat
6、ion, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii and iii, a blank page, pages 1 to 6, an
7、 inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSI R
8、eference number ISO 16246:2005(E) OSI 5002 INTERNATIONAL STANDARD ISO 16246 First edition 2005-04-15 Road vehicles M12 x 1,25 spark-plugs with flat seating and 14 mm hexagon and their cylinder head housing Vhicules routiers Bougies dallumage M12 x 1,25 sige plat et hexagone de 14 mm et leur logement
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14、giso.o gr We bwww.is.o gro Pulbisdehi n Switlrez dna ii ISO 5002 Allr ithgsr esedevr BS ISO 16246:2005 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSI IS:64261 O5002(E) I SO 5002 All irthgs ersedevr iii Foreword ISO (the International Organi
15、zation for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been establishe
16、d has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
17、International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Pub
18、lication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent
19、 rights. ISO 16246 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 1, Ignition equipment. BS ISO 16246:2005 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank BS ISO 16246:2005 Licensed Copy: sheffieldun shef
20、fieldun, na, Sun Nov 26 14:15:33 GMT+00:00 2006, Uncontrolled Copy, (c) BSI INTENRATIONAL TSANDADR IS:64261 O5002(E) I SO 5002 All irthgs ersedevr 1 Road vehicles M12 x 1,25 spark-plugs with flat seating and 14 mm hexagon and their cylinder head housing 1 Scope This International Standard specifies
21、the characteristics of M12 1,25 spark-plugs with flat seating and 14 mm hexagon and their cylinder head housings, used with spark-ignition engines in road vehicles. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references,
22、 only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 68-1, ISO general purpose screw threads Basic profile Part 1: Metric screw threads ISO 261, ISO general purpose metric screw threads General plan ISO 965-1,
23、ISO general-purpose metric screw threads Tolerances Part 1: Principles and basic data ISO 965-3, ISO general purpose metric screw threads Tolerances Part 3: Deviations for constructional screw threads ISO 14508, Road vehicles Spark-plugs Terminals 3 Terminals The spark-plug terminal may be either a
24、solid post or threaded terminal, as specified in ISO 14508. A spark-plug with a threaded terminal on which a nut is applied shall have the same dimensions as those shown for spark-plugs with solid post terminals in Figures 1 and 2. 4 Dimensions and threads 4.1 Spark-plug reach The spark-plug reach s
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