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 5998-00-151-2033
NSN 5990-00-236-0831
NSN 6105-00-867-1307
NSN 4140-00-232-1039
NSN 6110-01-412-5019
NSN 5905-01-068-4582
NSN 5925-00-563-0262
NSN 5960-01-309-5933
NSN 4140-00-242-0902
NSN 5950-01-367-6327
NSN 6130-01-648-2672
NSN 5945-00-580-0873