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 6150-00-208-3211
NSN 6150-01-511-5651
NSN 5915-00-791-3955
NSN 5930-00-409-9351
NSN 5905-01-023-1383
NSN 6320-01-177-3192
NSN 6645-00-814-4558
NSN 6650-01-231-9545
NSN 6105-00-058-1361
NSN 7035-00-703-3535
NSN 5999-00-192-9394
NSN 5835-01-478-0157