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 5920-01-263-9590
NSN 6650-00-597-7313
NSN 5930-01-252-0682
NSN 6650-00-146-6485
NSN 6145-01-444-1668
NSN 5960-01-614-8005
NSN 5975-01-285-1154
NSN 6130-00-783-6779
NSN 5950-01-485-6838
NSN 5998-01-442-3875
NSN 6145-00-487-9575
NSN 4140-01-620-5886