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 4140-01-537-6965
NSN 5855-01-188-4049
NSN 5905-00-180-8998
NSN 6150-01-406-4984
NSN 5920-01-617-2718
NSN 5925-01-092-6395
NSN 5920-00-285-2245
NSN 5930-01-604-0196
NSN 5835-00-089-7205
NSN 6110-01-314-1990
NSN 5998-01-378-4963
NSN 5895-01-020-0154