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 6645-00-113-4441
NSN 6610-00-270-9974
NSN 5895-01-102-8690
NSN 6320-01-389-8128
NSN 5905-01-322-4464
NSN 6135-01-136-8306
NSN 6145-01-267-0750
NSN 6320-00-925-0558
NSN 5920-01-654-2506
NSN 5915-00-226-0910
NSN 5935-01-293-3454
NSN 6620-00-905-6590