A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.
NSN 5920-00-571-7037
NSN 6610-01-445-9580
NSN 6220-01-434-4306
NSN 5930-00-732-5200
NSN 6645-00-824-6407
NSN 5950-01-375-1643
NSN 6685-00-438-3386
NSN 5930-01-660-6572
NSN 5975-01-336-1781
NSN 6610-01-590-2263
NSN 2925-00-323-7394
NSN 6135-01-010-0891