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 5935-00-677-2788
NSN 6110-01-216-7173
NSN 5960-01-281-2872
NSN 5999-00-160-6857
NSN 6135-01-581-1039
NSN 6240-01-361-3499
NSN 5915-01-414-9915
NSN 6145-01-062-9179
NSN 6105-01-495-0623
NSN 6645-01-279-7647
NSN 5855-01-118-2210
NSN 6145-01-278-3832