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 5999-00-846-8082
NSN 5920-01-171-3624
NSN 5950-00-854-0864
NSN 6135-01-167-7604
NSN 6650-01-459-0571
NSN 2925-01-384-4139
NSN 5855-01-462-0479
NSN 6620-00-625-7248
NSN 5910-00-116-1116
NSN 6320-01-364-1840
NSN 5998-01-592-8870
NSN 5915-00-163-6538