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 5945-01-445-6081
NSN 6610-01-219-6836
NSN 5910-01-101-3092
NSN 6105-01-255-6980
NSN 6645-01-017-2789
NSN 6150-00-382-1770
NSN 5985-01-514-0741
NSN 5920-00-227-6586
NSN 6320-01-006-6138
NSN 6610-01-050-3075
NSN 5965-01-600-2756
NSN 5990-01-378-7349