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 6650-01-465-5362
NSN 4140-00-701-0406
NSN 5935-00-394-9903
NSN 6110-00-036-6386
NSN 5925-01-461-2756
NSN 5910-00-731-0843
NSN 6105-00-548-3547
NSN 4140-00-753-6888
NSN 5930-01-415-2834
NSN 6105-01-086-8951
NSN 6240-01-310-8778
NSN 5910-01-468-5571