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 6610-00-935-5190
NSN 5960-00-223-8381
NSN 5920-01-294-7511
NSN 5999-01-079-4319
NSN 5990-00-802-3060
NSN 5895-00-437-5485
NSN 6620-00-010-8190
NSN 6110-01-375-2025
NSN 6110-01-290-2979
NSN 7035-01-543-9684
NSN 2925-01-510-9378
NSN 6320-01-145-9013