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 5999-01-025-1090
NSN 5960-01-004-5483
NSN 6130-00-277-7321
NSN 7035-01-349-7883
NSN 4140-01-279-4311
NSN 5895-01-468-5582
NSN 6620-01-587-5230
NSN 5925-00-578-0479
NSN 6610-01-525-8235
NSN 5945-01-650-4021
NSN 5835-01-414-3258
NSN 2925-00-728-8118