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 5975-01-007-4008
NSN 5999-01-424-0224
NSN 6620-00-475-9985
NSN 5920-01-650-6510
NSN 4140-00-783-4228
NSN 6220-01-096-8309
NSN 5990-00-402-7721
NSN 6130-01-360-2098
NSN 5925-01-184-6912
NSN 5910-01-234-6362
NSN 4140-00-175-6036
NSN 5945-01-029-3575