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 5985-01-298-9374
NSN 5910-01-290-4803
NSN 5965-01-413-4424
NSN 5935-01-332-8789
NSN 5910-01-441-9475
NSN 5965-01-147-5847
NSN 5910-01-539-0127
NSN 5965-01-502-9684
NSN 5985-01-159-6921
NSN 2925-01-067-4446
NSN 5855-01-283-3730
NSN 6620-01-262-8473