5210.51.40 - Of number 42 or lower number

This HTS category, 5210.51.40, specifically classifies woven cotton fabrics that are printed and have a plain weave construction. To fall within this subcategory, the fabric must contain less than 85 percent cotton by weight, be mixed primarily or solely with man-made fibers, and weigh no more than 200 g/m². The key defining characteristic for this particular code is that the fabric's yarn count falls within the range of number 42 or lower number (meaning coarser yarns).

It is important to distinguish this category from its siblings. HTS 5210.51.60 covers similar printed, plain weave cotton-blend fabrics but with yarn counts of numbers 43 to 68, indicating finer yarns than those classified here. Similarly, HTS 5210.51.80 applies to fabrics with even finer yarns, numbered 69 or higher. Therefore, the yarn fineness is the sole differentiating factor at this level.

Within this classification, further distinctions are made based on specific weave types, which are detailed in the subcategories. These subdivisions, such as poplin or broadcloth (5210.51.40.20), sheeting (5210.51.40.40), and cheesecloth (5210.51.40.90), allow for more precise classification based on the fabric's resulting texture and construction, even within the broader "plain weave" designation and the specified yarn count range.