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 5996-00-613-1761
NSN 6130-01-520-7459
NSN 2925-01-359-4027
NSN 5855-01-114-3513
NSN 5920-00-767-0596
NSN 5910-00-097-9546
NSN 5920-01-179-5289
NSN 5985-00-223-6202
NSN 5930-00-253-1741
NSN 5945-00-689-3088
NSN 5920-01-032-2133
NSN 6135-01-205-5965