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 6135-01-581-8163
NSN 6320-00-004-9158
NSN 5855-01-154-3871
NSN 5905-00-180-1222
NSN 5930-00-197-3970
NSN 6110-00-467-7151
NSN 6320-01-374-9924
NSN 6110-01-188-4540
NSN 2925-01-201-3043
NSN 4140-01-634-0330
NSN 5835-00-973-6828
NSN 5975-01-552-8269