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 5999-01-256-0077
NSN 6320-00-036-3688
NSN 6610-01-395-6458
NSN 5998-01-656-1521
NSN 4140-01-023-1537
NSN 6220-01-476-8355
NSN 6105-01-516-4795
NSN 5915-01-588-2842
NSN 5960-01-481-8051
NSN 6220-00-263-4893
NSN 5910-01-218-3997
NSN 5910-00-092-3206