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 5930-00-740-9384
NSN 5990-00-421-3094
NSN 6145-00-878-5327
NSN 6320-01-029-4220
NSN 5935-00-145-3315
NSN 5920-01-026-2559
NSN 5910-01-245-8757
NSN 6685-01-184-0746
NSN 5905-01-562-9678
NSN 5855-01-075-1292
NSN 5910-01-386-7667
NSN 5915-00-960-4546