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 5930-01-062-0870
NSN 5996-01-287-8311
NSN 4140-01-307-9783
NSN 5996-00-402-9571
NSN 5999-00-282-3150
NSN 6650-00-273-8732
NSN 5945-00-544-9858
NSN 5915-01-422-7431
NSN 5920-01-335-9527
NSN 6620-01-265-0632
NSN 6645-00-079-1430
NSN 6110-01-098-8273