ISO INTERNATIONAL STANDARD 12272 First edition 1998-12-15 Aerospace Nuts, anchor, self-locking, floating, two lug, with incremental counterbore, with MJ threads, classifications: 9o0 MPa (at ambient temperature)/235 °C, 900 MPa (at ambient temperature)/315 °C and 900 MPa (at ambient temperature)/425 °C - Dimensions Aéronautique et espace -Ecrous a river, a freinage interne, flottants, double patte, a chambrage tres profond, a filetage MJ, classifications 900 MPa (a temperature ambiante)/235 °C, 900 MPa (a temperature ambiante)/315 °C et 900 MPa (a température ambiante)/425 °C Dimensions ISO Reference number ISO 12272:1998(E) copyrighted by UNE, C/ Genova, 6. 28004 Madrid, Spain (all righ d): Wed Feb 14 02:32:28 UTC 2024 orovided bv AENOR. No furt ithorized ISO 12272:1998(E) Foreword IsO (the International Organization 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 memberbody interested in a subject for which atechnicalcommitteehasbeenestablishedhastherighttoberepresented 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. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International a vote. International Standard ISO 12272 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 4, Aerospace fastenersystems. @ISO1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced microfilm, without permission in writing from the publisher. International Organizationfor Standardization Casepostale56.CH-1211Geneve20Switzerland Internet [email protected] Printed in Switzerland ii @ copyrighted by UNE, C/ Genova, 6. 28004 Madrid, Spain (all rights reserved); Wed Feb 14 02:32:28 UTC 2024 @ISO ISO 12272:1998(E) Introduction The dimensions specified in this International Standard have been of the procurement specification IsO 5858. ii @ copyrighted by UNE, C/ Genova, 6. 28004 Madrid, Spain (all rights reserved); Wed Feb 14 02:32:28 UTC 2024 Downloaded/printed for Georgia Institute of Technoloav. This standard provided bv AENOR. No further reproductions authorized