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 5945-01-134-3941
NSN 6150-01-633-3641
NSN 5998-01-193-2095
NSN 6240-01-177-1487
NSN 7035-01-113-6492
NSN 5920-01-277-6335
NSN 6105-01-515-8624
NSN 6620-01-242-7236
NSN 5930-00-526-0543
NSN 5905-00-124-5033
NSN 6620-00-708-1417
NSN 5855-01-429-8702