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 6685-00-900-2131
NSN 5915-01-157-8407
NSN 6110-01-400-4207
NSN 6145-01-075-1042
NSN 6135-01-388-2581
NSN 6645-00-960-6594
NSN 5960-00-476-4750
NSN 6220-01-063-0877
NSN 6105-00-859-1108
NSN 5905-00-888-5680
NSN 5835-01-360-2657
NSN 5855-00-110-9341