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 5915-00-862-1506
NSN 5930-00-814-6905
NSN 5835-01-208-5649
NSN 6650-01-304-4955
NSN 6150-00-859-6815
NSN 6150-01-578-5453
NSN 6240-01-633-9357
NSN 6145-01-162-3131
NSN 6610-00-981-9408
NSN 5910-00-871-3561
NSN 5910-01-167-2411
NSN 5855-01-006-1827