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 5915-00-500-9998
NSN 5945-01-112-9930
NSN 5950-01-147-6871
NSN 6110-01-364-0966
NSN 5945-00-819-5618
NSN 6135-01-360-1620
NSN 7035-00-264-7543
NSN 6110-01-606-7771
NSN 2925-01-320-6512
NSN 5905-01-139-5341
NSN 5910-01-131-2010
NSN 5960-01-353-3302