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 6610-01-535-0310
NSN 5990-00-382-5885
NSN 5915-00-196-2723
NSN 6620-00-862-5567
NSN 5985-01-334-0617
NSN 5930-01-224-8446
NSN 6130-01-089-8154
NSN 5990-01-066-5227
NSN 5945-01-058-6794
NSN 5990-01-493-4039
NSN 6610-01-073-8526
NSN 5835-01-578-3443