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 6135-00-318-8359
NSN 5999-01-081-9718
NSN 6610-01-225-7242
NSN 5935-00-815-6230
NSN 5945-01-441-2288
NSN 5965-01-268-7322
NSN 5990-01-655-1437
NSN 6240-00-797-4600
NSN 5915-01-104-1604
NSN 6685-00-453-9357
NSN 5990-01-443-2931
NSN 6320-01-551-3553