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 6145-01-225-5822
NSN 5920-01-577-8526
NSN 4140-01-018-2038
NSN 6645-01-090-2555
NSN 5935-01-025-1162
NSN 5920-00-953-5037
NSN 5975-01-411-3684
NSN 6135-01-039-2882
NSN 5975-00-389-6958
NSN 5999-01-474-7011
NSN 6135-01-604-8739
NSN 5925-01-399-6777