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 5975-01-067-1091
NSN 6320-00-593-0379
NSN 5960-01-632-6576
NSN 5985-00-186-5072
NSN 6220-01-310-1956
NSN 5910-01-209-0352
NSN 5855-01-503-5484
NSN 7035-00-188-6674
NSN 4140-00-880-5140
NSN 4140-00-459-1564
NSN 5975-01-424-0517
NSN 7035-01-079-6560