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 5945-01-269-1107
NSN 5920-01-494-7443
NSN 4140-01-288-0764
NSN 5835-01-172-5884
NSN 5910-01-215-9033
NSN 5910-00-064-7706
NSN 5930-01-539-2009
NSN 6685-01-287-8062
NSN 5950-01-172-4212
NSN 6240-01-391-0399
NSN 5965-01-507-7464
NSN 5895-01-478-6282