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 6220-01-242-9901
NSN 6135-00-801-3493
NSN 6145-00-156-4394
NSN 5945-00-618-4761
NSN 6145-01-454-9307
NSN 5950-01-434-2514
NSN 5930-00-632-6033
NSN 6105-00-407-9048
NSN 5915-00-230-1822
NSN 6240-00-959-6735
NSN 5960-01-505-2426
NSN 5895-01-246-7251