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 6650-00-364-7866
NSN 6610-01-128-2428
NSN 5990-01-390-2177
NSN 5996-00-205-2933
NSN 5990-00-481-7208
NSN 5999-01-201-4499
NSN 6650-01-595-6102
NSN 6620-01-185-5541
NSN 6650-01-535-1120
NSN 5895-00-849-5573
NSN 6150-01-352-3227
NSN 5835-00-106-2120