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 6240-00-915-1705
NSN 6130-01-278-0771
NSN 6150-01-503-7111
NSN 6220-01-500-2188
NSN 6220-01-267-3250
NSN 5999-01-598-8877
NSN 4140-00-962-0215
NSN 5999-00-706-2980
NSN 6320-00-646-3311
NSN 5905-01-111-7808
NSN 5930-00-924-8515
NSN 6110-00-911-4000