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 6130-00-543-5890
NSN 5996-00-153-0268
NSN 6620-01-535-1230
NSN 6320-01-134-7267
NSN 5950-00-266-2511
NSN 6645-00-472-4048
NSN 5910-00-554-1422
NSN 6110-01-193-0229
NSN 5990-01-470-2565
NSN 6145-00-610-6987
NSN 5905-01-055-6277
NSN 2925-01-259-0367