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 5945-00-644-9706
NSN 6685-01-607-4229
NSN 5950-00-615-6504
NSN 6645-01-532-9027
NSN 7035-01-650-9725
NSN 6220-01-394-9792
NSN 5895-00-445-4009
NSN 6240-01-026-0032
NSN 5920-01-074-2094
NSN 6130-01-411-6284
NSN 6130-01-178-9498
NSN 6145-01-213-6635