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 5910-00-170-9581
NSN 6150-01-303-5109
NSN 5999-00-929-3949
NSN 5920-01-602-0226
NSN 5965-01-648-8042
NSN 5925-01-178-8962
NSN 6135-01-035-1871
NSN 6240-01-076-5895
NSN 5915-01-025-7171
NSN 6645-01-633-1852
NSN 5996-00-782-7231
NSN 5925-01-164-2584