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 5950-00-805-5186
NSN 5996-00-105-7271
NSN 6150-01-165-6525
NSN 5985-00-044-4643
NSN 6135-00-900-2139
NSN 2925-01-656-8217
NSN 5915-01-081-0861
NSN 4140-01-414-5320
NSN 5835-01-508-2528
NSN 6620-01-385-6172
NSN 5855-00-862-3345
NSN 6620-01-418-7562