BSIS0 6621-1:2018 BSl Standards Publication Licensedcopy:ImperialCollegeImperialCollegeLondon,Versioncorre Internal combustion engines Piston rings Part 1: Vocabulary bsi. BSISO6621-1:2018 BRITISH STANDARD Nationalforeword ThisBritish Standard is the UK implementation of IS06621-1:2018. It supersedes BS IS0 6621-1:2007,which is withdrawn. The UK participation in its preparation was entrusted to Technical Licensed copy: Imperial College , Imperial College London, Version correct as of 30/12/2018 CommitteeMCE/14/-/10, RIC engines-Cylinders,pistonsandrings. Alist of organizations represented onthis committeecanbe obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users areresponsible for its correct application. @TheBritishStandardsInstitution2018 Published byBSI Standards Limited2018 ISBN9780580898792 ICS 43.060.10; 01.040.43 Compliance witha British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Amendments/corrigendaissued sincepublication Date Text affected BS ISO 6621-1:2018 INTERNATIONAL ISO STANDARD 6621-1 Third edition 2018-02 Internal combustion engines Piston rings - Part 1: Vocabulary Moteursacombustioninterne-Segmentsdepiston- Partie1:Vocabulaire Reference number ISO 6621-1:2018(E) ISO @IS0 2018