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 5895-00-082-1282
NSN 5945-00-764-4228
NSN 6130-01-587-3643
NSN 5930-00-143-1017
NSN 5915-01-444-4069
NSN 5925-01-599-5431
NSN 5920-01-512-2054
NSN 6145-00-059-7974
NSN 6110-01-280-3514
NSN 5999-01-256-5738
NSN 5915-01-629-7884
NSN 6645-00-466-0685