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 5975-00-050-9938
NSN 5905-01-660-7002
NSN 5855-01-406-4821
NSN 5985-01-532-4022
NSN 5960-00-088-6527
NSN 5855-00-925-0114
NSN 6110-01-512-8742
NSN 5935-00-495-2022
NSN 5945-00-280-1567
NSN 5930-00-006-3766
NSN 6220-01-530-6506
NSN 6320-01-311-3286