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 5975-00-133-7436
NSN 5920-00-803-3290
NSN 6150-00-288-6245
NSN 5945-00-121-1695
NSN 6220-01-424-4340
NSN 6320-01-574-1915
NSN 5910-01-441-9868
NSN 6220-00-080-8472
NSN 5945-01-362-6659
NSN 5990-01-472-2447
NSN 5905-00-644-9983
NSN 5910-01-505-9276