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 4140-01-617-9262
NSN 5910-01-225-7744
NSN 5996-00-067-7624
NSN 6610-01-517-8652
NSN 5965-01-173-9106
NSN 5835-00-147-5062
NSN 6145-00-905-6797
NSN 6685-01-467-0378
NSN 5945-01-139-2605
NSN 5925-00-135-4276
NSN 6145-00-019-0047
NSN 6135-01-445-6589