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 5950-00-602-4404
NSN 5996-01-124-2407
NSN 6130-01-084-8525
NSN 5960-01-451-6993
NSN 5965-00-391-0562
NSN 5930-01-559-7161
NSN 6220-00-826-7002
NSN 5835-00-223-7235
NSN 4140-01-433-6573
NSN 5950-01-472-2467
NSN 4140-01-473-4246
NSN 5920-01-375-6040