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 6130-01-126-7750
NSN 5990-01-507-7495
NSN 5950-00-899-3244
NSN 6610-00-986-2095
NSN 5925-01-529-3308
NSN 5920-01-414-2393
NSN 5998-01-641-8738
NSN 5935-01-449-2577
NSN 6135-01-201-5858
NSN 5910-01-512-8782
NSN 5945-00-334-8980
NSN 5895-01-277-9328