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 5905-01-566-1978
NSN 5935-00-905-4810
NSN 6685-01-089-9606
NSN 5935-01-364-8509
NSN 5975-00-500-0166
NSN 6320-01-442-3428
NSN 6135-00-889-1485
NSN 6650-01-266-8762
NSN 5975-01-485-6341
NSN 6645-01-571-8578
NSN 6150-00-990-8220
NSN 6150-01-654-6402