Grademark.

Checkout our iOS App for a better way to browser and research.

§ 29.3028 Grademark.

A grademark normally consists of three symbols which indicate group, quality, and color. A letter is used to indicate group, a number to indicate quality, and a letter or letters to indicate color. For example, C2F means Lugs, second quality, and tan color.

[24 FR 8771, Oct. 29, 1959. Redesignated at 49 FR 16757, Apr. 20, 1984]


Download our app to see the most-to-date content.