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 5910-01-539-0127
NSN 5990-01-485-0260
NSN 5935-01-151-2796
NSN 5910-01-029-6989
NSN 6145-01-136-9639
NSN 6650-00-078-5773
NSN 5960-01-599-9821
NSN 6685-01-294-1157
NSN 5990-01-337-9859
NSN 6685-01-437-1357
NSN 5935-01-455-7787
NSN 6610-01-052-6049