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 5985-00-381-6140
NSN 6610-00-633-4338
NSN 6650-01-448-0647
NSN 5985-01-381-8860
NSN 6320-00-032-4853
NSN 5915-00-933-9192
NSN 5945-01-162-3608
NSN 5990-00-731-7458
NSN 6645-01-068-3042
NSN 5996-01-557-8032
NSN 6645-01-648-2115
NSN 6620-01-034-4539