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 5920-01-426-4128
NSN 5935-00-512-2703
NSN 5930-01-605-3036
NSN 6105-01-225-5482
NSN 6240-01-054-9298
NSN 6240-01-019-8068
NSN 6105-01-364-4025
NSN 5960-01-406-4136
NSN 5990-00-067-6545
NSN 5835-00-729-9305
NSN 6320-01-425-1417
NSN 5905-00-756-5146