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 5985-00-288-1861
NSN 5996-00-659-3954
NSN 5965-01-576-6975
NSN 5915-00-235-9420
NSN 5905-00-557-1717
NSN 5985-01-500-2580
NSN 7035-01-484-9516
NSN 5945-00-756-0455
NSN 5950-01-394-0085
NSN 5950-00-916-0972
NSN 5920-01-428-4412
NSN 5905-00-892-7289