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 5925-00-491-2363
NSN 5985-00-104-8289
NSN 5855-01-130-1501
NSN 6220-01-100-5093
NSN 5999-01-502-1050
NSN 5998-00-959-4539
NSN 5915-01-190-3472
NSN 5915-00-987-7165
NSN 5910-00-674-6040
NSN 5915-00-441-9668
NSN 2925-00-288-1394
NSN 2925-00-221-8529