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 6240-01-179-1189
NSN 5990-01-330-4552
NSN 5925-00-966-7171
NSN 5960-01-599-9821
NSN 5915-01-186-0464
NSN 5985-01-377-9514
NSN 5905-01-407-4594
NSN 6620-00-905-8530
NSN 6645-01-368-9990
NSN 5855-00-145-3307
NSN 6135-01-282-4326
NSN 5950-01-144-5555