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 5999-01-337-2051
NSN 6620-00-753-8929
NSN 6105-01-281-9995
NSN 6320-01-435-5991
NSN 7035-01-550-2461
NSN 6685-00-188-1991
NSN 5925-00-471-2730
NSN 5930-01-398-9576
NSN 6240-01-300-6834
NSN 5905-00-529-0508
NSN 5950-01-278-1931
NSN 6610-00-248-1559