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 5960-01-493-3948
NSN 6645-00-925-2887
NSN 6135-01-222-0703
NSN 5835-01-270-7899
NSN 6150-01-315-5285
NSN 5945-01-486-6977
NSN 5945-01-502-5961
NSN 6650-00-883-4790
NSN 6610-01-441-8364
NSN 6145-00-284-1514
NSN 6220-00-484-9381
NSN 5855-01-287-1515