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 6610-01-475-1921
NSN 5855-01-107-5925
NSN 5920-01-492-6512
NSN 5965-01-155-3131
NSN 7035-01-048-7122
NSN 5930-01-212-9907
NSN 5985-00-876-1783
NSN 5910-00-170-7167
NSN 5990-00-147-3144
NSN 5905-01-039-3212
NSN 5920-01-295-0107
NSN 6105-01-392-1539