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 6135-00-932-3136
NSN 5945-00-528-1920
NSN 6650-00-824-0745
NSN 5920-01-562-4779
NSN 6145-01-440-9225
NSN 5930-01-030-5248
NSN 5905-01-627-7176
NSN 5835-01-441-4746
NSN 5915-01-149-1042
NSN 5910-00-420-3930
NSN 5930-01-250-0550
NSN 5965-01-555-8775