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 5905-01-137-3929
NSN 5999-00-703-2008
NSN 6240-01-417-2976
NSN 6320-01-406-6098
NSN 5945-01-297-5913
NSN 6145-00-197-8186
NSN 6620-01-417-3314
NSN 6320-01-527-0211
NSN 5915-00-551-8400
NSN 2925-01-026-1000
NSN 5905-01-207-8978
NSN 5935-01-605-6006