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 6620-00-236-7148
NSN 5855-01-648-2674
NSN 5930-01-216-0103
NSN 6105-01-235-0860
NSN 5935-01-364-8509
NSN 6150-01-311-3914
NSN 5945-01-499-1677
NSN 5996-00-964-9400
NSN 6145-00-148-5748
NSN 5999-00-299-0840
NSN 6105-01-170-1115
NSN 6145-01-481-4195