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 4140-01-615-6229
NSN 6110-01-369-4186
NSN 5855-01-364-9810
NSN 5990-00-401-6793
NSN 5935-01-323-7118
NSN 5975-01-146-1603
NSN 5855-00-444-2298
NSN 5996-01-305-4892
NSN 6685-00-546-5755
NSN 5930-01-038-7577
NSN 2925-00-335-7119
NSN 4140-01-385-8478