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 4140-00-457-0603
NSN 6610-00-891-6370
NSN 6650-01-449-0702
NSN 5905-01-537-7062
NSN 6130-01-398-9882
NSN 5930-00-228-0187
NSN 5920-01-607-0339
NSN 5910-00-283-3092
NSN 5905-01-442-3473
NSN 6610-00-709-1692
NSN 6110-01-128-4672
NSN 6685-00-986-3491