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 6220-01-509-3798
NSN 6150-00-450-0735
NSN 5905-01-505-6599
NSN 5985-00-225-8621
NSN 6135-01-463-2445
NSN 5975-01-019-0468
NSN 5950-00-127-4015
NSN 5915-00-782-4446
NSN 5999-00-237-2845
NSN 6135-01-516-4638
NSN 5950-00-741-1894
NSN 5960-00-190-0090