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 5835-01-534-3172
NSN 6145-01-350-2429
NSN 6610-01-488-5465
NSN 5999-01-505-4580
NSN 6150-01-157-6319
NSN 5999-00-060-1757
NSN 5960-01-350-2925
NSN 5935-00-409-3017
NSN 5996-00-552-1406
NSN 4140-01-272-5899
NSN 6320-01-512-2031
NSN 5945-00-942-8275