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 6610-01-606-2144
NSN 5855-01-527-4713
NSN 6135-00-738-5571
NSN 6145-00-122-9517
NSN 5965-01-273-3055
NSN 6240-01-137-6197
NSN 5975-01-266-0904
NSN 5965-00-917-6996
NSN 5925-01-628-1075
NSN 6685-01-616-3313
NSN 5998-00-235-6703
NSN 6620-00-280-2874