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 5950-01-388-9184
NSN 5855-01-340-6541
NSN 5945-01-545-6681
NSN 5999-01-015-4194
NSN 5945-01-403-2800
NSN 4140-00-182-9158
NSN 5915-01-276-3800
NSN 5915-01-045-4314
NSN 6610-00-512-4183
NSN 6145-01-447-2361
NSN 5975-01-572-6295
NSN 6130-00-430-1235