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 5990-01-517-7848
NSN 6610-00-125-7415
NSN 5975-00-279-1776
NSN 5855-01-109-6433
NSN 5910-01-412-1780
NSN 5905-01-417-2183
NSN 5999-01-494-9227
NSN 6145-01-507-4826
NSN 6150-01-151-1262
NSN 6105-01-359-9146
NSN 6130-01-543-3109
NSN 6130-01-419-1555