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 5925-01-542-9068
NSN 6145-00-938-6085
NSN 5999-00-988-5414
NSN 6105-01-473-9568
NSN 5910-01-122-6709
NSN 5930-01-381-1271
NSN 6150-01-459-3585
NSN 5945-01-079-3208
NSN 4140-01-442-3063
NSN 5925-00-504-5364
NSN 6650-00-981-9501
NSN 5975-00-050-3729