BS-A-307-1994 ISO-9254-1993.pdf
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1、BRITISH STANDARD BS A 307:1994 ISO 9254:1993 Bolts, normal spline head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1100 MPa Dimensions UDC 621.882.21:629.7 Licensed Copy: London South Bank University, London S
2、outh Bank University, Sat Dec 09 03:32:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 307:1994 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 August
3、1994 BSI 01-2000 The following BSI references relate to the work on this standard: Committee reference ACE/12 Draft for comment 90/79028 DC ISBN 0 580 23221 2 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Aerospace Standards Policy Com
4、mittee (ACE/-) to Technical Committee ACE/12, upon which the following bodies were represented: The Association of Electronics, Telecommunications and Business Equipment Industries British Industrial Fastners Federation Ministry of Defence Society of British Aerospace Companies Ltd. Amendments issue
5、d since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:32:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 307:1994 BSI 01-2000i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative
6、references1 3Configuration and dimensions1 Figure 12 Table 13 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:32:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 307:1994 ii BSI 01-2000 National foreword This British Stan
7、dard has been prepared under the direction of the Aerospace Standards Policy Committee. It is identical with ISO 9254:1993 Aerospace Bolts, normal spline head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100
8、MPa Dimensions published by the International Organization for Standardization (ISO). A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of it
9、self confer immunity from legal obligations. Cross-references International StandardCorresponding British Standard ISO 286-2:1988BS EN 20286 ISO system of limits and fits. Part 2:1992 Tables of standard tolerance grades and limit deviations for holes and shafts (Identical) ISO 3353:1992BS 2A 231:199
10、3 Rolled threads for bolts. Lead and runout requirements (Identical) ISO 5855-2:1988BS 6293 Aerospace MJ threads Part 2:1994 Limit dimensions for bolts and nuts (Identical) ISO 7403:1983BS A 294:1984 Specification for spline drive wrenching configurations. Metric series (Identical) Summary of pages
11、This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 4, 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 front cover. Li
12、censed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:32:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS A 307:1994 BSI 01-20001 1 Scope This International Standard specifies the dimensions of normal spline head bolts, with normal or pitch diameter shank, and long l
13、ength MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1 100 MPa. It is intended for the drawing up of aerospace product standards. 2 Normative references The following standards contain provisions which, through reference in this text, constitute pro
14、visions 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 applying the most recent editions of the stand
15、ards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 286-2:1988, ISO system of limits and fits Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts. ISO 3353:1992, Aerospace Rolled threads for bolts Lead and
16、runout requirements. 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. 3 Configuration and dimensions See Figure 1 and Table 1. Dimensions and tolerances are expre
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