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 5990-01-162-9220
NSN 5975-01-568-5285
NSN 5950-01-170-8108
NSN 5965-01-608-4842
NSN 2925-01-004-5627
NSN 6650-01-181-6037
NSN 5965-00-296-9994
NSN 5905-00-335-3460
NSN 6135-00-840-6451
NSN 4140-01-653-5785
NSN 7035-01-432-2424
NSN 6645-01-643-7151