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 6620-00-179-9079
NSN 5990-01-632-0969
NSN 6145-01-205-9320
NSN 6610-01-244-7192
NSN 6135-00-145-8884
NSN 6110-01-010-4551
NSN 5990-01-443-2931
NSN 5930-01-535-6715
NSN 5950-01-590-6393
NSN 5930-00-541-3862
NSN 5996-01-452-6595
NSN 5950-01-499-5941