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 5920-01-482-0538
NSN 6150-01-311-3143
NSN 5999-01-453-6960
NSN 5990-01-443-2931
NSN 6620-00-816-9755
NSN 6650-01-051-4972
NSN 5996-01-578-6955
NSN 5915-01-604-9868
NSN 6150-01-649-7924
NSN 5905-01-175-5686
NSN 5910-01-010-3694
NSN 5930-00-932-9613