7 CFR § 51.2559 - Size classifications.

---
identifier: "/us/cfr/t7/s51.2559"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "7 CFR § 51.2559 - Size classifications."
title_number: 7
title_name: "Agriculture"
section_number: "51.2559"
section_name: "Size classifications."
chapter_name: "AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE"
subchapter_number: "C"
subchapter_name: "REQUIREMENTS AND STANDARDS UNDER THE AGRICULTURAL MARKETING ACT OF 1946 AND THE EGG PRODUCTS INSPECTION ACT"
part_number: "51"
part_name: "FRESH FRUITS, VEGETABLES, AND OTHER PRODUCTS (INSPECTION, CERTIFICATION, AND STANDARDS)"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 1621-1627."
cfr_part: "51"
---


# 51.2559 Size classifications.

(a) The size of pistachio kernels may be specified in connection with the grade in accordance with one of the following size classifications.

(1) Jumbo Whole Kernels: 80 percent or more by weight shall be whole kernels and not more than 5 percent of the total sample shall pass through a 
24/64 inch round hole screen with not more than 1 percent passing through a 
16/64 inch round hole screen.

(2) Large Whole Kernels: 80 percent or more, by weight, shall be whole kernels and not more than 2 percent of the total sample shall pass through a 
16/64 inch round hole screen.

(3) Large Split Kernels: 75 percent or more, by weight, shall be half kernels split lengthwise and not more than 5 percent of the total sample shall pass through a 
16/64 inch round hole screen.

(4) Whole and Broken Kernels: means a mixture of any combination of whole kernels or pieces. The percentage of whole kernels and/or pieces may be specified. Not more than 5 percent of the total sample shall pass through a 
5/64 inch round hole screen.

(b) [Reserved]

[68 FR 50685, Aug. 22, 2003]