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 5990-01-109-3879
NSN 6220-01-470-4166
NSN 4140-00-459-1564
NSN 6645-00-900-5830
NSN 5925-01-300-1522
NSN 6620-00-699-5537
NSN 5935-01-315-4650
NSN 5910-00-027-5866
NSN 5910-01-193-8658
NSN 5950-00-577-4336
NSN 5960-01-428-4471
NSN 6240-01-337-2509