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 5945-01-477-9250
NSN 6320-01-411-7469
NSN 5960-00-148-2654
NSN 5925-01-161-8750
NSN 6220-01-654-8476
NSN 6320-01-244-9268
NSN 5930-01-357-0653
NSN 5925-01-121-2279
NSN 5835-00-794-7500
NSN 6145-00-171-3152
NSN 2925-01-346-9522
NSN 6650-01-422-1037