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 5905-00-679-9351
NSN 5855-01-049-0175
NSN 5996-00-162-2017
NSN 6610-00-835-0248
NSN 6685-00-333-6763
NSN 5990-00-518-0684
NSN 6240-01-549-7138
NSN 5990-00-509-9665
NSN 6320-01-511-1526
NSN 6685-01-651-7109
NSN 5945-01-459-7700
NSN 6610-01-160-3770