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 5905-00-281-5442
NSN 5910-01-022-9891
NSN 5975-00-930-1621
NSN 5960-01-308-6421
NSN 6240-00-820-1705
NSN 5975-01-485-7807
NSN 5950-01-406-5992
NSN 5835-00-025-9951
NSN 5990-00-756-0215
NSN 7035-00-392-5417
NSN 5920-00-710-2781
NSN 6110-01-287-7256