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 6130-01-227-5538
NSN 6220-01-431-6773
NSN 5950-01-557-8199
NSN 5920-01-608-0915
NSN 5965-01-446-6945
NSN 6110-01-432-0758
NSN 5905-01-398-9078
NSN 6110-00-932-7099
NSN 5999-01-454-0048
NSN 6145-01-083-9193
NSN 5975-00-952-0890
NSN 6320-00-937-5625