4851903 0635126 296 INTERNATIONAL ISO STANDARD 5845-1 First edition 1995-11-01 Technical drawings Simplified representation of the assembly of parts with fasteners ： Part 1: General principles Dessins techniques ---Représentation simplifiee d'assemblage de pieces aumoyend'élementsdefixation Partie 1:Principes généraux ISO Reference number ISO 5845-1:1995(E) ational Orgal n for Standardizatio No reproductic Not for Resale 22T 225E90 E06T59 ISO 5845-1:1995(E) Foreword isO (the International Organization for Standardization) is a worldwide 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 established has the right to be represented on that committee. internationai 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. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. ISO/TC 10. Technical drawings, product definition and related documen- tation, Subcommittee s 6, Mechanical engineering documentation. This first edition of iSO 5845-1 is a partial revision of ISO 5261:1981, clause 3 of which has been technically revised. IsO 5845 consists of the following parts, under the general title Technical drawings Simplified representation of the assembly of parts with fasteners Part 1: General principles Part 2: Rivets for aerospace equipment ISO1995 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case Postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland i Copyright International Organization for Standardization d without license from IHS Not for Resale 48519030635128069 CISO ISO5845-1:1995(E) Introduction IsO 5845 has been devised to provide a universal means of communi- cation among the various parties invoived in the design and manufacture, in general, as well as the installation of fasteners. The representation of fasteners on technical drawings should conform to one of the following two methods, which must meet requirements for microcopying and reproduction: conventional drawing of fasteners (according to IsO 128); this method fasteners, or when the use of symbols may not provide complete understanding; b) symbolic representation; this method is best suited to drawings con- taining a large number of fasteners (see clauses 4 and 5). Requirementswithinindustries vary considerably:inrecognitionof this fact, IsO 5845 is presented in two parts. Part 1 is mainly devoted to Both are recommended for application to other fields as well. ili