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 6150-01-593-2148
NSN 6130-01-277-5792
NSN 5945-00-866-3204
NSN 6645-00-171-9639
NSN 5930-00-849-1236
NSN 4140-00-111-3247
NSN 5920-01-357-9384
NSN 4140-00-735-9309
NSN 2925-01-191-9668
NSN 5975-01-306-9236
NSN 6110-00-991-8637
NSN 6645-01-023-8020