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 5905-00-926-0576
NSN 5905-01-143-0303
NSN 5985-00-498-6726
NSN 6130-01-433-3279
NSN 4140-01-441-1941
NSN 5910-00-937-4475
NSN 4140-01-337-0495
NSN 5915-01-029-2665
NSN 5999-01-588-5560
NSN 5996-00-332-2438
NSN 6645-01-030-0662
NSN 6240-00-931-9654