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 5920-01-443-0523
NSN 5945-00-469-7495
NSN 5935-01-089-9701
NSN 6150-01-647-2133
NSN 6150-00-166-5777
NSN 5975-01-217-4635
NSN 5915-00-398-0677
NSN 6240-00-944-6960
NSN 6240-00-183-0517
NSN 6685-01-181-9998
NSN 5975-01-595-0174
NSN 6135-01-408-9244