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 6685-00-179-2548
NSN 5915-01-396-0792
NSN 5930-01-089-9653
NSN 6145-00-730-3933
NSN 6130-01-553-7519
NSN 5915-01-654-0965
NSN 6620-01-346-9340
NSN 5910-01-310-8533
NSN 5920-00-256-5674
NSN 4140-01-393-7455
NSN 6620-01-529-6665
NSN 6610-01-578-1976