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 6650-01-573-7165
NSN 7035-01-295-1609
NSN 6620-01-440-9810
NSN 6135-01-511-1975
NSN 4140-01-513-9139
NSN 5930-01-251-7110
NSN 6145-01-513-4384
NSN 5975-00-030-3026
NSN 6145-01-502-9150
NSN 5915-01-123-8292
NSN 5985-00-376-5682
NSN 5985-00-737-4538