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 4140-01-361-8175
NSN 6220-01-098-8171
NSN 6610-00-460-1419
NSN 6135-01-468-2970
NSN 5925-01-100-0970
NSN 6620-00-433-9438
NSN 6240-00-861-2592
NSN 5935-01-068-3637
NSN 5998-01-421-2322
NSN 5965-01-192-1366
NSN 6240-01-075-9397
NSN 6645-01-222-3458