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 5990-01-408-6554
NSN 6610-00-168-2200
NSN 6130-01-593-7090
NSN 5835-01-399-5820
NSN 6610-01-592-4150
NSN 6220-00-960-7591
NSN 6135-01-322-4655
NSN 6645-01-025-1002
NSN 5945-01-249-1077
NSN 5895-01-657-3500
NSN 6620-01-048-4145
NSN 5910-01-160-6312