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 6620-01-486-9040
NSN 6130-00-186-8460
NSN 6105-00-982-4723
NSN 5910-01-037-5464
NSN 6110-01-579-1865
NSN 4140-01-558-8942
NSN 5910-01-154-6206
NSN 5965-01-025-5129
NSN 5855-00-472-2055
NSN 6320-00-476-6898
NSN 6110-01-028-6169
NSN 5999-00-436-6403