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 6240-01-213-0143
NSN 6105-01-529-2860
NSN 4140-00-464-7890
NSN 5915-01-478-0914
NSN 5920-01-513-0284
NSN 6145-00-959-7610
NSN 6135-01-604-8739
NSN 5950-01-510-3802
NSN 6110-01-528-7251
NSN 5925-01-207-1403
NSN 5990-00-446-0518
NSN 6130-01-134-4120