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 5930-01-496-9943
NSN 4140-01-521-4577
NSN 6240-01-215-2601
NSN 5915-00-607-0964
NSN 6130-01-419-4671
NSN 6150-01-249-6324
NSN 4140-01-367-4531
NSN 5835-01-163-4215
NSN 5835-01-116-8821
NSN 5915-01-477-6689
NSN 5935-00-497-6222
NSN 6135-01-415-1163