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 6150-00-171-9455
NSN 6320-00-466-0371
NSN 5910-01-461-3409
NSN 5990-00-193-3028
NSN 7035-01-417-6261
NSN 5996-00-277-7384
NSN 5950-01-300-7232
NSN 4140-01-457-0928
NSN 6240-01-136-4694
NSN 5945-00-078-1506
NSN 6610-01-521-2438
NSN 5925-01-266-0583