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 5915-00-617-9477
NSN 5975-01-443-2987
NSN 6110-01-371-1978
NSN 6220-01-573-7639
NSN 5895-00-516-9357
NSN 5965-01-631-6307
NSN 7035-00-300-3208
NSN 5910-01-619-9468
NSN 6610-01-318-6713
NSN 5945-01-083-1007
NSN 5960-00-625-2673
NSN 6135-01-633-8502