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 6150-01-575-9565
NSN 6650-01-017-0980
NSN 6135-01-092-4734
NSN 5910-01-252-9695
NSN 5855-01-057-7818
NSN 6240-00-174-8902
NSN 5925-00-850-0469
NSN 6130-00-365-4572
NSN 4140-01-423-9453
NSN 5985-01-509-8512
NSN 7035-01-587-6239
NSN 6130-00-539-9018