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 5999-01-392-7382
NSN 6620-01-616-3303
NSN 5960-00-201-5265
NSN 2925-00-126-2879
NSN 5990-01-215-0590
NSN 5960-01-056-4982
NSN 6610-00-442-1537
NSN 6145-00-905-7255
NSN 5835-01-647-6426
NSN 5996-01-322-9007
NSN 6620-01-434-6538
NSN 5895-01-228-5874