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 5910-01-145-5454
NSN 7035-01-462-5766
NSN 6220-00-137-8289
NSN 6150-00-845-5883
NSN 5965-00-497-1130
NSN 5895-00-179-5210
NSN 5998-01-100-9910
NSN 5998-01-360-5648
NSN 5905-01-089-9757
NSN 5985-01-113-8920
NSN 5920-01-374-3802
NSN 6220-01-590-4150