U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 7Chapter IPart 51Subpart X - Subpart X—United States Standards for Shelled English Walnuts (Juglans Regia)

GENERAL
§ 51.2275 - Application.
§ 51.2276 - [Reserved]

GRADES
§ 51.2277 - U.S. No. 1.
§ 51.2278 - U.S. Commercial.

UNCLASSIFIED
§ 51.2279 - [Reserved]

TOLERANCES FOR GRADE DEFECTS
§ 51.2280 - Tolerances for grade defects.

COLOR REQUIREMENTS
§ 51.2281 - Color classifications.
§ 51.2282 - Tolerances for color.
§ 51.2283 - Off color.

SIZE REQUIREMENTS
§ 51.2284 - Size classification.
§ 51.2285 - Tolerances for size.

APPLICATION OF TOLERANCES
§ 51.2286 - Application of tolerances.

DEFINITIONS
§ 51.2287 - Well dried.
§ 51.2288 - Clean.
§ 51.2289 - Shell.
§ 51.2290 - Insect injury.
§ 51.2291 - Rancidity.
§ 51.2292 - Damage.
§ 51.2293 - Serious damage.
§ 51.2294 - Very serious damage.
§ 51.2295 - Half kernel.
§ 51.2296 - Three-fourths half kernel.
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