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 6130-00-940-0423
NSN 5960-00-553-7091
NSN 4140-00-144-6833
NSN 5990-01-498-0641
NSN 5960-00-883-1926
NSN 5935-00-994-8443
NSN 6610-01-564-0667
NSN 6105-01-573-4509
NSN 5945-01-273-2522
NSN 2925-00-942-8541
NSN 4140-01-485-3286
NSN 5999-01-437-5732