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 6320-01-600-5808
NSN 4140-01-223-0116
NSN 6135-00-112-8637
NSN 5910-00-466-3614
NSN 6645-01-449-1824
NSN 6685-01-067-8474
NSN 6320-01-462-2295
NSN 6645-01-437-9017
NSN 5835-01-391-4556
NSN 5920-00-224-4393
NSN 6135-01-400-2947
NSN 6650-00-248-4895