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 5985-01-649-7320
NSN 6610-01-175-5920
NSN 6145-01-010-9766
NSN 6610-00-936-4759
NSN 6220-01-278-8900
NSN 6130-01-475-4168
NSN 6240-00-842-2887
NSN 6135-01-485-3450
NSN 6645-01-379-4520
NSN 5998-01-643-7017
NSN 5925-01-643-6399
NSN 5930-00-862-7468