ISO INTERNATIONAL STANDARD 10959 Second edition 2016-03-01 Aerospace MJ threads Gauging Aéronautique et espace - Filetage MJ - Vérification par calibres Reference number ISO 10959:2016(E) ISO International Organization for Standardization See=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02016 vided by IHS under I No reproduction or networking permitted without license from IHS IS0 10959:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 · CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internationai ibr DrganizationforStandardization Licensee-ZHEJIANG INST OF STANDARDIZoISQ 6 -All rights reserved Not for Resale, 2016/4/26 03:02:56 networking permited withoutlicense from IHS IS0 10959:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 4 Types of gauges.. .2 4.1 Gauges and setting plugs for external product threads .2 4.2 Gauges for internal product threads. 2 5 Reference temperature .2 6 Function, design, and use of gauges 3 6.1 Gauges for external threads. 3 6.1.1 Virtual pitch diameter indicating thread gauges .3 6.1.2 Solid or adjustable GO screw ring gauges 3 6.1.3 Simple pitch diameter indicating thread gauges. 6.1.4 Major diameter gauges. 4 6.1.5 Minor diameter gauges 4 6.1.6 Optical comparator checks. 4 6.2 Gauging for internal threads. .4 6.2.1 GO screw plug gauges 4 6.2.2 NOT GO screw plug gauges .4 6.2.3 Minor diameter gauges .4 6.2.4 Virtual pitch diameter indicating thread gauges .4 6.2.5 Simple pitch diameter indicating thread gauges. 7 Setting gauges .5 8 Gauging of threads. ..5 Annex A (normative) Prevalence of gauging by GO gauges. ..19 Bibliography ..20 ii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ithout license from IHS