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 6650-01-566-1573
NSN 5950-01-271-8160
NSN 5930-00-974-5308
NSN 6610-00-034-3709
NSN 6145-00-419-0550
NSN 6145-01-498-6499
NSN 5950-01-592-3145
NSN 5996-01-576-9852
NSN 6130-01-108-4335
NSN 5930-00-986-6981
NSN 5975-01-126-2882
NSN 6645-00-137-7699