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 5935-00-471-0099
NSN 5945-01-310-3277
NSN 6150-00-509-3650
NSN 5920-00-884-3405
NSN 6130-01-384-4391
NSN 6320-01-125-3361
NSN 5990-01-202-0001
NSN 6685-00-186-0190
NSN 6650-01-050-8680
NSN 6240-01-488-3094
NSN 6320-01-204-2922
NSN 5920-00-776-0633