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 6320-01-116-3980
NSN 5990-01-584-8363
NSN 6135-01-383-0151
NSN 6145-01-508-9372
NSN 6105-01-508-7921
NSN 6220-01-109-1798
NSN 5910-01-278-9009
NSN 5920-00-099-0826
NSN 2925-01-448-2880
NSN 6130-00-358-3365
NSN 5835-01-511-5337
NSN 5945-00-267-9082