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 5910-01-257-6491
NSN 6650-01-501-9434
NSN 5905-01-025-2018
NSN 5925-01-524-8058
NSN 5945-01-471-3407
NSN 5990-00-583-9920
NSN 4140-01-329-9523
NSN 6150-01-091-0660
NSN 5996-00-161-4202
NSN 6220-00-810-9563
NSN 6240-01-437-9439
NSN 6105-01-159-3677