CFR›Title 7›Subtitle B›Chapter I›Part 51›Subpart B›Subject Group Definitions ContainsSections 51.312–51.320CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Sections 51.312 § 51.312 Mature. 51.313 § 51.313 Overripe. 51.314 § 51.314 Clean. 51.315 § 51.315 Fairly well formed. 51.316 § 51.316 Injury. 51.317 § 51.317 Damage. 51.318 § 51.318 Serious damage. 51.319 § 51.319 Seriously deformed. 51.320 § 51.320 Diameter. Previous Condition After Storage or Transit Condition After Storage or Transit Next Grades Grades