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 6620-00-536-5028
NSN 6240-00-405-5888
NSN 5985-00-451-6988
NSN 6220-01-062-2077
NSN 5920-00-931-4297
NSN 5855-01-129-4080
NSN 6220-00-316-2500
NSN 5835-01-103-3583
NSN 5999-01-333-7349
NSN 6620-01-411-7382
NSN 5960-01-135-0463
NSN 6320-00-519-0770