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 5975-01-220-0507
NSN 7035-01-438-2108
NSN 6320-01-371-3047
NSN 6240-01-462-1668
NSN 6135-01-366-7477
NSN 6685-01-634-0611
NSN 5999-01-651-7914
NSN 5920-01-631-0047
NSN 5950-00-596-8102
NSN 5990-00-586-6435
NSN 6645-01-384-7791
NSN 6150-01-084-8312