Nomenclature, material, heat treatment, hardness, dimensions, finish, identification and testing of external and internal circlips, in imperial units, produced in carbon spring steel. Recommended groove dimensions are also given.Cross References:BS 427:Part 1BS 427:Part 2BS 860BS 1133:Section 6BS 1134BS 1449BS 1916BS 3189BS 3673:Part 2BS 3673:Part 3BS 3673:Part 4Replaced by BS 3673-4:1977 but remains current.Incorporates the following:AMD 2264 published 15 April 1977