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 6610-01-406-6696
NSN 4140-01-537-0837
NSN 6130-01-578-6111
NSN 5915-01-382-3375
NSN 5975-01-522-4227
NSN 6610-01-576-8955
NSN 5910-01-418-8800
NSN 5915-01-433-1397
NSN 6645-01-131-4129
NSN 6130-01-187-6711
NSN 5895-00-007-9045
NSN 5945-01-519-0687