ISO INTERNATIONAL STANDARD 102 Second edition 1990-07-01 Aircraft -- Gravity filling orifices Aeronefs - Orifices de remplissage par gravite Referencenumber ISO102:1990(E) CopyrightInternational Organization for Standardization No reproduction or networking permitted without license from IHS Not for Resale IS0102:1990(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation ofnational standards bodies (IsO memberbodies)The work 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 International organizations, govern- work. Iso collaborates closely with the Internationai Electrotechnical Commission (tEC) on all matters of electrotechnical standardization. DraftInternationalStandards adoptedbythetechnicalcommiftees are circulated to the member bodies for voting. Publication as an interna- tional Standard requires approval by at least 75 % of the member bodies casting avote international Standard ISO 102 2 was prepared by Technical Committee ISO/Tc 20, Aircraft and space vehicles This second edition cancels and replaces the first edition (iso 102:1976), of which it constitutes a technical revision. ISO 1990 All rights reserved, 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. InternationalOrganizationforStandardization Case Postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzeriand or Standardizatior Provided by IHS und onornetworking permited without licensefromIHS Not for Resale 1SO 102:1990(E) INTERNATIONAL STANDARD Aircraft Gravity filling orifices 1 Scope 3External diameter of replenishment nozzles This International Standard specifies the diameters of the orifices for the gravity filling of aircraft with 3.1 Fuel fuel, lubricants and other liquids It aiso specifies the outside diameters of associated replenishment noz- The external diameters of nozzles used for the zles,and inparticuiarforthosenozziesusedforthe gravity replenishment of aircraft with fuel shall be in gravity replenishment of aircraft with aviation gaso- accordance with the dimensions given in table 2. line (AVGAS) and turbine fuel 2 Dimensions of gravity filling orifices Table 2-- External diameters of fuellingnozzles Dimensionsinmillimetres The internal diameters of the orifices shall be in ac- External diameter cordance with the minimum and/or maximum di- Fuel min mensions, as appropriate, given in table 1 max Aviation gasoline (AVGAS) 49 Table 1 -- Orifice diameters Turbine fuel 67 70 Dimensions in millimetres Fluids Internal diameter 3.2 Other fluids min. max. The external diameters of nozzles used for the Aviation gasoline (AVGAS) 55 60 gravity replenishment of liquids otherthan fuel shall Turbine fuel 75 besuchthatthenozzlescanbereadilyinsertedinto Non-synthetic lubricants 50 the relevant minimum orifice diameter given in Synthetic lubricants 88 table 1. De-icing fluids 44 Drinking water 44 Hydraulic fluids 38 Coolant 88 Engine refrigerants 38 NOTE - If a filter is fitted at any of the orifices it should not result in a reduction of the relevant minimum internal diameter Copyright International Organization for Standardization No reproduction or networking permitted without license from IHS Not for Resale