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 6320-01-346-5158
NSN 5999-00-225-8375
NSN 7035-01-541-0554
NSN 6650-01-052-2143
NSN 5996-01-356-9946
NSN 6620-01-146-4680
NSN 5835-01-041-0873
NSN 2925-00-824-2186
NSN 6105-00-857-1186
NSN 5935-01-345-4994
NSN 5835-01-495-0595
NSN 6110-01-010-0905