7 CFR § 51.2732 - U.S. No. 2 Spanish.
“U.S. No. 2 Spanish” consists of shelled Spanish type peanut kernels which may be split or broken, but which are free from foreign material, damage, and minor defects, and which will not pass through a screen having 16/64 inch round openings.
(a) In order to allow for variations incident to proper grading and handling, the following tolerances, by weight, shall be permitted:
(1) 2 percent for other types of peanuts;
(3) 0.2 percent for foreign material; and,
(4) 6 percent for sound peanuts and portions of peanuts which will pass through the prescribed screen.