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 6145-00-155-5297
NSN 6620-01-583-8155
NSN 6110-01-381-7014
NSN 6645-01-503-8211
NSN 5910-01-488-7784
NSN 5999-01-006-0164
NSN 5855-01-324-3756
NSN 5905-01-608-9367
NSN 5950-00-645-0052
NSN 6645-01-575-9995
NSN 5945-00-253-5200
NSN 5920-00-715-2541