This standard ( Part I) describes the general requirements and methods of tests for judging the mechanical and climatic properties of knobs intended for use in electronic and telecommunication equipments, and specifies dimension for the purpose of interchangeability and compatibility.
IS 6102 Pt.1-1971 history
1971IS 6102 Pt.1-1971 Specification for finger knobs used in electronic and telecommunications equipment Part I General requirements and tests