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 6110-00-627-7872
NSN 5935-01-592-5190
NSN 4140-00-965-1266
NSN 5945-01-245-9990
NSN 5895-01-528-2532
NSN 5945-00-099-9857
NSN 5965-00-102-8521
NSN 4140-00-193-8879
NSN 5905-00-803-5605
NSN 5998-00-093-6595
NSN 5930-01-136-4046
NSN 6145-01-623-2790