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 5925-00-708-8769
NSN 5930-00-117-4699
NSN 6110-00-756-3060
NSN 6150-00-157-4523
NSN 5965-01-360-6568
NSN 5965-01-506-9438
NSN 5996-01-565-7374
NSN 5990-01-411-8548
NSN 6685-01-376-9166
NSN 5925-01-100-8474
NSN 6145-01-072-3352
NSN 6240-01-462-1566