{"data":{"id":"us/49-cfr-231.20","jurisdiction":"us","citation":"49 CFR 231.20","heading":"Variation in size permitted.","body":"To provide for the usual inaccuracies of manufacturing and for wear, where sizes of metal are specified, a total variation of 5 percent below size given is permitted.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 231—RAILROAD SAFETY APPLIANCE STANDARDS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"e504e76bc5f6aa27a7a33fdc2e7ec52f0b8e220c850b8fe3ec886690d16e6400","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-231.19","next":"us/49-cfr-231.21"},"notice":"GroundRules: Original legal text. Not legal advice."}