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 5985-01-608-4048
NSN 6240-00-226-0462
NSN 5945-01-093-5176
NSN 6150-00-757-1677
NSN 6620-00-167-0524
NSN 6650-01-381-3542
NSN 5990-01-598-8769
NSN 5996-00-123-3965
NSN 6650-01-605-2302
NSN 6150-01-229-3448
NSN 5998-01-395-7588
NSN 6610-01-371-5039