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 7035-00-008-4173
NSN 6645-00-102-0015
NSN 5895-00-424-0850
NSN 6650-01-436-3478
NSN 5985-01-550-5666
NSN 5855-01-550-4724
NSN 6135-01-196-7399
NSN 5985-00-186-2236
NSN 5855-01-611-2803
NSN 5910-01-545-0280
NSN 5990-01-455-8035
NSN 5905-00-235-9845