ISO INTERNATIONAL STANDARD 23748 First edition 2016-10-01 Aerospace series O-ring grooves Dimensions Série aérospatiale -Gorges pourjoints toriques -Dimensions Reference number IS0 23748:2016(E) @ IS0 2016 E"eqr[tkijvgf'd("WPG."E1"1gpqxc."8l"4:226"Ocftkf."Urckp*cn'tkijvu'tgugtxgf+"Ygf"Hgd’36*32<4;<74"WVE"4246 IS0 23748:2016(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. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org ii IS02016-Allrightsreserved IS0 23748:2016(E) Contents Page Foreword .iv 1 Scope. ..1 2 Normative references ..1 3 Symbols ..1 4 Required characteristics .2 4.1 Configuration - -Dimensions- Tolerances 4.1.1 General. .2 4.1.2 Radial sealing Rod housing: Configuration code A 4.1.3 Radial sealing Bore housing: Configuration code B ..9 4.1.4 Axial sealing for internal pressure: Configuration code C .16 4.1.5 Axial sealing for external pressure: Configuration code D .22 5 Designation .28 6 Drawing presentation .28 6.1 General. 28 6.2 Configuration code A 28 6.3 Configuration code B 29 6.4 Configuration code C 29 6.5 Configuration code D 29 Bibliography .30 iii l'cwvintInfl