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 5990-01-200-6711
NSN 6130-01-411-5526
NSN 6620-01-044-3371
NSN 5930-00-456-0889
NSN 5920-01-088-7958
NSN 6135-01-109-8763
NSN 6320-00-149-7570
NSN 5998-00-337-6018
NSN 5945-01-180-0912
NSN 5855-00-149-0766
NSN 6135-01-591-7139
NSN 5990-01-050-7535