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 4140-00-914-7949
NSN 6240-01-413-3035
NSN 5935-00-637-2643
NSN 7035-00-585-2113
NSN 5999-01-113-3784
NSN 6620-01-014-7192
NSN 5965-01-187-8574
NSN 5835-00-779-2836
NSN 4140-01-224-8715
NSN 5945-01-552-6438
NSN 6130-01-513-9970
NSN 5990-01-413-2405