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 6150-00-753-3950
NSN 5855-00-451-6155
NSN 6650-01-108-2948
NSN 6135-01-190-2628
NSN 4140-00-198-4961
NSN 6110-00-071-8351
NSN 5905-01-388-2939
NSN 5950-01-175-4334
NSN 5960-01-201-6316
NSN 6685-01-443-3284
NSN 6620-01-239-0574
NSN 6685-01-254-7972