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 5965-00-220-6900
NSN 5935-01-315-5478
NSN 5925-01-190-2747
NSN 5965-01-399-8454
NSN 5999-01-505-7896
NSN 6150-01-440-1572
NSN 5999-00-295-6285
NSN 6135-01-442-0890
NSN 5945-01-501-5487
NSN 5910-01-109-5249
NSN 5996-01-038-9994
NSN 5950-01-299-0255