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 5915-01-633-9845
NSN 6610-01-525-8235
NSN 6145-00-959-5897
NSN 6650-00-460-5059
NSN 4140-01-189-7899
NSN 5895-01-566-3926
NSN 5990-01-074-0055
NSN 5945-01-370-8182
NSN 5935-01-014-5545
NSN 5925-01-088-4468
NSN 5855-01-096-9294
NSN 5996-01-603-7176