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 5910-01-451-4292
NSN 5945-01-164-7378
NSN 6240-00-643-0265
NSN 6135-01-370-2599
NSN 6320-00-823-2015
NSN 5985-01-655-9996
NSN 5990-01-408-6142
NSN 6620-00-140-8644
NSN 7035-00-946-2642
NSN 6220-01-042-9773
NSN 5930-00-679-5096
NSN 6145-00-170-6467