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 5905-01-613-8802
NSN 5985-00-051-0701
NSN 6145-01-601-8751
NSN 6105-01-606-7770
NSN 6240-01-322-9387
NSN 6620-01-142-8494
NSN 5835-01-143-9143
NSN 5945-01-170-4432
NSN 4140-01-519-8892
NSN 5985-00-234-2505
NSN 5920-01-487-3152
NSN 5925-00-343-6747