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 6620-00-770-9794
NSN 6650-01-546-7632
NSN 5835-01-200-7153
NSN 5990-00-922-7317
NSN 6130-01-597-3481
NSN 5996-01-633-7979
NSN 5975-01-136-4988
NSN 5915-00-610-6099
NSN 5945-00-816-9717
NSN 5905-01-112-0271
NSN 6650-01-304-7168
NSN 4140-01-244-5140