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 5975-00-943-6766
NSN 5925-00-934-3365
NSN 5855-01-361-2362
NSN 5945-00-081-2026
NSN 6220-00-621-4240
NSN 5999-00-189-0772
NSN 6610-01-547-3072
NSN 6645-01-144-8627
NSN 5835-00-419-0575
NSN 5910-00-443-4010
NSN 6650-00-367-9230
NSN 6685-00-549-9784