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 6240-01-225-8518
NSN 5920-00-427-7267
NSN 5835-00-757-3558
NSN 6130-01-564-3511
NSN 5985-01-579-3450
NSN 6150-01-442-9639
NSN 6220-00-910-9001
NSN 6220-01-260-3734
NSN 4140-01-426-8428
NSN 5945-01-442-4804
NSN 5905-01-006-8531
NSN 6645-01-468-2738