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 5998-00-594-4474
NSN 6650-01-415-6682
NSN 5965-01-240-9228
NSN 6610-01-339-8300
NSN 5950-01-036-7075
NSN 5975-01-659-6087
NSN 6220-01-658-1035
NSN 5935-01-435-6548
NSN 6135-00-862-5736
NSN 5950-01-142-3389
NSN 6150-01-281-5382
NSN 5998-01-212-8229