620.0mm high
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.
Classification: Unwrought aluminum, not alloyed
NSN 6240-01-570-0979
NSN 5996-01-126-7238
NSN 6650-01-586-9997
NSN 6650-01-365-9306
NSN 6110-01-422-4713
NSN 5990-01-097-4721
NSN 6685-00-019-9061
NSN 6130-01-605-3558
NSN 5920-01-356-0431
NSN 5960-00-227-0243
NSN 6610-01-519-3080
NSN 5960-00-827-4101