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 5925-00-249-1287
NSN 5915-00-181-9223
NSN 5920-00-146-5071
NSN 6650-00-162-6638
NSN 6650-00-382-6080
NSN 6610-01-257-5808
NSN 2925-00-169-3775
NSN 5930-01-115-3455
NSN 6650-01-656-5252
NSN 5855-00-869-3635
NSN 5990-01-267-6971
NSN 5925-01-505-3478