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 5990-00-928-5655
NSN 5930-01-488-9330
NSN 6135-01-282-4326
NSN 6610-01-308-6148
NSN 6220-00-318-1742
NSN 5965-01-513-9978
NSN 6135-01-354-5535
NSN 5999-01-142-2090
NSN 6150-01-558-9324
NSN 6645-01-441-2521
NSN 5998-01-519-9273
NSN 5925-01-495-0602