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 5960-01-147-3764
NSN 2925-00-066-9700
NSN 6150-00-518-4558
NSN 5996-00-999-2591
NSN 5905-01-634-0595
NSN 5915-01-555-1385
NSN 6220-01-369-0681
NSN 6145-00-064-7448
NSN 4140-01-366-5132
NSN 6135-00-497-0491
NSN 6685-01-078-1759
NSN 6650-01-061-0613