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 6645-00-344-7558
NSN 6240-01-641-2666
NSN 6610-01-022-2474
NSN 6145-01-055-6976
NSN 5975-00-138-9057
NSN 5855-00-149-0766
NSN 5985-01-651-1326
NSN 2925-00-905-2655
NSN 7035-01-347-4429
NSN 6110-00-244-1354
NSN 6620-00-351-9949
NSN 5950-01-560-9035