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 6145-01-508-8207
NSN 5905-00-186-0942
NSN 5930-00-820-1332
NSN 5920-00-185-9587
NSN 5999-01-356-4150
NSN 6620-01-447-2172
NSN 6105-01-273-0596
NSN 5998-01-391-9597
NSN 4140-01-220-4377
NSN 6135-01-315-4328
NSN 5930-00-912-6654
NSN 6145-01-068-4138