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 5915-01-432-0324
NSN 5996-00-835-2605
NSN 5945-01-568-4587
NSN 5930-01-579-9612
NSN 4140-01-094-4571
NSN 4140-00-287-5476
NSN 5910-01-146-9333
NSN 5960-01-560-8461
NSN 6135-01-180-9611
NSN 6145-01-032-4557
NSN 6240-01-356-1170
NSN 5965-01-510-1902