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 5920-00-345-5833
NSN 5996-01-628-6336
NSN 2925-00-845-1480
NSN 6220-01-307-3181
NSN 5985-01-509-8512
NSN 5910-01-533-6777
NSN 5960-01-023-8037
NSN 5905-01-573-0304
NSN 6135-01-214-6441
NSN 5915-01-502-0630
NSN 5925-00-230-8723
NSN 5905-01-064-0893