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 6110-00-442-7657
NSN 2925-01-189-4272
NSN 6145-01-589-9721
NSN 6130-01-193-4332
NSN 5910-01-545-5169
NSN 5920-01-214-5508
NSN 5915-01-167-2358
NSN 6130-01-569-8033
NSN 5960-01-163-8905
NSN 6620-01-351-6870
NSN 5855-00-631-4565
NSN 6135-01-071-4923