CFR›Title 7›Subtitle B›Chapter I›Part 51›Subpart M›Subject Group Size Classification ContainsSection 51.1404CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 51.1404 § 51.1404 Size classification. Previous Sample for Grade or Size Determination Sample for Grade or Size Determination Next Tolerances Tolerances