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 5855-01-335-7532
NSN 6135-00-738-5571
NSN 6145-01-279-0336
NSN 5945-01-391-7485
NSN 5855-01-513-1859
NSN 5960-01-641-5493
NSN 6110-01-418-4998
NSN 4140-00-844-9436
NSN 5945-01-208-6309
NSN 5920-01-261-0613
NSN 6130-00-285-3725
NSN 6650-00-113-4102