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 5920-01-287-8409
NSN 6130-01-485-5022
NSN 6220-01-471-7058
NSN 6135-00-840-6451
NSN 5910-01-565-3220
NSN 5910-01-352-4794
NSN 5950-00-876-1086
NSN 6645-01-471-4960
NSN 5925-01-267-1053
NSN 6105-01-282-1825
NSN 6110-00-155-8055
NSN 4140-01-565-2436