BRITISH STANDARD AEROSPACE SERIES BS A 360:2000 IS0 12280:1999 Retainers. spring, sheet metal, for seif-locking barrel nuts - Dimensions ICS 49.030.90 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS A 360:2000 National foreword This British Standard reproduces verbatim IS0 12280: 1999 and implements it as the UKnationaistandard. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and fastening systems, to Subcommittee ACE/12/1. Aeruspace fasiteners and fastening systems (internationai), which has the responsibility to: aid enquirers to understand the text; on the interpretation, or proposals for change, and keep the UK interests informed; - monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcorruittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled"international Standards Correspondence Index",orby using the "Find" facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, page i, pages 1 to 3 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued This British Standard, having Amendments issued since pubiication been prepared under the Date Comments direction of the Engineering Amd. No. Secwr Comunitiee, was pubished under the authority of the Standards Committee and comes into effect on 15 january 2000 CBSI01-2000 ISBN 0 580 34014 7 BS A 360:2000 INTERNATIONAL Iso 12280 STANDARD First edition 1999-11-01 Aerospace - Retainers, spring, sheet metai, for seif-iocking barrei nuts - Dimensions Aeronautique et espace - Ressorts de retenue en tole pour écrous a portee cylindrique, a freinage interne --- Dimensions ISO Reference number ISO12280:1999(E)