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 5910-01-131-3778
NSN 6150-01-207-5896
NSN 5915-00-226-6863
NSN 5855-00-110-9341
NSN 6610-01-642-1745
NSN 7035-01-374-7954
NSN 5985-00-272-7451
NSN 5975-01-571-6960
NSN 5990-01-144-6994
NSN 6650-00-932-2048
NSN 5915-00-203-2380
NSN 5920-01-411-4745