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 6105-00-451-6563
NSN 6645-01-591-3970
NSN 5990-01-004-6343
NSN 6130-00-963-1380
NSN 5960-01-351-5074
NSN 6150-01-535-6483
NSN 6610-01-100-3662
NSN 4140-01-493-3611
NSN 6110-01-565-2724
NSN 5945-01-449-0288
NSN 5999-00-014-1495
NSN 5996-00-283-7385