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 6130-01-506-9724
NSN 5975-00-079-0022
NSN 6320-01-515-7913
NSN 6620-01-242-8366
NSN 5999-01-208-2557
NSN 6105-01-252-6641
NSN 5990-01-040-1320
NSN 6685-01-283-1726
NSN 5999-00-430-4352
NSN 6220-00-610-9103
NSN 6620-01-350-0323
NSN 5950-00-643-2570