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 6135-01-643-3114
NSN 6650-00-318-6033
NSN 5925-01-591-1038
NSN 5999-01-172-4573
NSN 5975-00-541-8531
NSN 6240-00-258-2389
NSN 5915-01-338-2034
NSN 5975-01-474-6278
NSN 5945-00-117-6444
NSN 5855-01-213-3267
NSN 5996-00-537-5669
NSN 6145-01-301-3573