ISO INTERNATIONAL STANDARD 17447-1 Second edition 2022-04 Road Vehicles Glow plugs with conical seating and their cylinder head housing Part 1: Basic characteristics and dimensions for metal-sheath-type glow plugs Vehicules routiers - Bougies de préchauffage a fourreau et a siege conique et leur logement dans la culasse Partie 1: Caracteristiques de base et dimensions des bougies de préchauffage a fourreau de type métallique Reference number ISO 17447-1:2022(E) ISO @IS02022 IS0 17447-1:2022(E) COPYRIGHT PROTECTED DOCUMENT @ISO2022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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, withoutpriorwrittenpermission.Permission can berequestedfrom eitherIso at theaddress below orIso'smemberbodyinthecountryoftherequester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2022 - All rights reserved