49 CFR 231.20 - Variation in size permitted.

Regulations last checked for updates: Feb 08, 2026

Title 49 - Transportation last revised: Feb 03, 2026

View all text of Part 231 [§ 231.0 - § 231.35]

§ 231.20 - Variation in size permitted.

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.

authority: 49 U.S.C. 20102-20103,20107,20131,20301,21301,21304; 28 U.S.C. 2461 note; and 49 CFR 1.89

source: 33 FR 19663, Dec. 25, 1968, unless otherwise noted.

cite as: 49 CFR 231.20