ISO INTERNATIONAL STANDARD 14952-2 First edition 2003-11-15 Space systems Surface cleanliness of fluid systems - Part 2: Cleanliness levels Systemes spatiaux - Proprete des surfaces en contact avec des fluides Partie 2: Classes de propreté Reference number ISO 14952-2:2003(E) ISO @ISO2003 E"eqr[tkijvgf"d["WPG.'E1"1gpqxc."8I"4:226"Ocftkf.'Urckp"*cm'tkijv Ygf"Hgd36*2739.52WVE*4246 knnutravintiInfl ISO 14952-2:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The Iso Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below @ISO2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, Iso's member body in the country of the requester. ISO copyright office Case postale 56: CH-1211 Geneva 20 Tel.+ 4122 749 0111 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii E"eqr[tkijvgf"d["WPG.'E1"1gpqxc."8I"4:226"Ocftkf.'Urckp*cm'tkijvu'tgugtxgf+*"Ygf"Hgd’36*27<39<52"WVE"4246 @Iso2003—Allrightsreserved knnitrawintiInfi ISO 14952-2:2003(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 technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnical committeehasbeer International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. adoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.Publicationasan International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 14952-2 was prepared by Technical Committee ISO/Tc 20, Aircraft and space vehicles, Subcommittee Sc 14, Space systems and operations. fluid systems: Part 1: Vocabulary 一 Part 2:Cleanliness levels Part 3: Analytical procedures for the determination of nonvolatile residues and particulate contamination Part 4: Rough-cleaning processes Part 5: Drying processes Part 6: Precision-cleaning processes ii ISO 14952-2:2003(E) Introduction This part of IsO 14952 defines the cleanliness levels intended for use in cleaning processes for equipment and components used in space fluid systems. The purpose of this part of isO 14952 is to establish uniform cleanliness levels for use in the cleaning, analysis, and verification processes for launch vehicles, spacecraft and ground support equipment. iv @ ISO 2003 - All rights reserved E"eqr[tkijvgf"d["WPG.'E1"1gpqxc."8I"4:226"Ocftkf.'Urckp*cm'tkijvu'tgugtxgf+*"Ygf"Hgd’36*27<39<52"WVE"4246 fwoknnit'ravinti Infl ISO 14952-2:2003(E) INTERNATIONAL STANDARD Space systems Surface cleanliness of fluid systems - Part 2: Cleanliness levels 1 Scope This part of isO 14952 defines the cleanliness levels used in the cleaning, analysis, and verification procedures for space fluid systems. It establishes a common