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 5915-00-572-7761
NSN 5930-01-328-8510
NSN 5910-01-417-7350
NSN 6145-01-353-2563
NSN 6620-01-206-5748
NSN 5910-00-554-8383
NSN 6145-00-005-8341
NSN 5998-01-205-8550
NSN 6135-00-840-6451
NSN 4140-01-634-0330
NSN 5945-01-386-7420
NSN 5965-01-506-3320