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 5975-00-396-2255
NSN 6645-01-599-2311
NSN 5925-01-128-4374
NSN 5855-01-513-9601
NSN 6220-00-930-5678
NSN 5945-01-076-8978
NSN 5965-01-633-8849
NSN 5935-01-359-8104
NSN 5945-00-171-4484
NSN 6645-01-383-1083
NSN 7035-01-603-2836
NSN 5920-00-144-8031