View all text of Subpart Z [§ 51.2540 - § 51.2549]
§ 51.2544 - Tolerances.
(a) In order to allow for variations incident to proper grading and handling, the tolerances in Tables I, II, and III of this section are provided.
Table I—Tolerances
[Percent]
| Factor | U.S. fancy | U.S. extra No. 1 | U.S. No. 1 | U.S. select | U.S. artificially opened | U.S. non-split | External (shell) Defects (tolerances by weight): | (a) Non-split and not split on suture | 2 | 3 | 6 | 10 | 10 | N/A | (1) Non-split included in (a) | 1 | 2 | 3 | 4 | 4 | N/A | (b) Adhering hull material | 1 | 1 | 1 | 2 | 2 | 2 | (c) Light stained | 7 | 12 | 25 | N/A | N/A | N/A | (1) Dark stained, included in (c) | 2 | 3 | 3 | 3 | 3 | 3 | (d) Damage by other means | 1 | 1 | 2 | 3 | 10 | N/A | (e) Total External Defects | 9 | 16 | N/A | N/A | N/A | N/A | (f) Undersized (Less than 30/64 inch in diameter) | 5 | 5 | 5 | 5 | 4 | 5 |
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Table II—Tolerances
| Factor
internal (kernel) defects (tolerances by weight) | U.S. fancy
(percent) | U.S. extra
No. 1 (percent) | U.S. No. 1
(percent) | U.S. select
(percent) | U.S. artificially opened
(percent) | U.S. non-split
(percent) | (a) Damage | 3 | 6 | 6 | 6 | 6 | 6 | (b) Serious Damage (Minor Insect or Vertebrate Injury, Mold, Rancid, Decay) | 3 | 4 | 4 | 4 | 4 | 4 | (1) Insect Damage, included in (b) | 1 | 2 | 2 | 2 | 2 | 2 | (c) Total Internal Defects | 4 | 8 | 9 | 9 | 9 | 9 |
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Table III—Tolerances
[Percent]
| Factor | U.S. fancy | U.S. extra No. 1 | U.S. No. 1 | U.S. select | U.S. artificially opened | U.S. non-split | Other Defects (tolerances by weight): | (a) Shell pieces and blanks | 2 | 2 | 2 | 2 | 2 | 2 | (1) Blanks, included in (a) | 1 | 1 | 1 | 1 | 1 | 1 | (b) Foreign material (No glass, metal or live insects shall be permitted) | .25 | .25 | .25 | .25 | .25 | .25 | (c) Particles and dust | .25 | .25 | .25 | .25 | .25 | .25 | (d) Loose kernels | 4 | 5 | 6 | 6 | 6 | 6 |
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(b) [Reserved]