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 6240-00-181-2503
NSN 5999-00-875-9844
NSN 5925-00-465-4021
NSN 6220-01-381-1074
NSN 6610-01-159-0438
NSN 5920-00-459-8647
NSN 6610-01-303-7658
NSN 7035-00-470-4977
NSN 2925-00-712-8180
NSN 5905-01-441-8982
NSN 6150-01-284-0149
NSN 6620-01-454-8926