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 5998-00-824-6336
NSN 6620-01-378-4108
NSN 5930-00-473-3440
NSN 6240-00-146-9322
NSN 5920-01-613-7912
NSN 5910-01-517-9145
NSN 6685-00-532-9266
NSN 5950-01-056-1018
NSN 6610-01-236-2510
NSN 6145-00-726-3720
NSN 6110-01-169-4554
NSN 5990-00-670-9660