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 5920-00-054-7048
NSN 4140-01-282-6748
NSN 6240-01-272-5893
NSN 5855-00-149-0766
NSN 5930-01-157-8219
NSN 5915-00-365-9951
NSN 7035-01-112-1054
NSN 6135-01-319-5567
NSN 6320-01-320-3305
NSN 6135-00-221-4720
NSN 5996-00-304-8196
NSN 6620-01-444-7053