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 6320-01-267-7990
NSN 6240-00-045-4588
NSN 6105-01-356-9307
NSN 6150-00-812-7928
NSN 6320-00-908-6841
NSN 6240-00-065-6812
NSN 5999-00-819-5162
NSN 5855-00-586-6255
NSN 6130-00-790-0071
NSN 6240-01-420-4246
NSN 5990-01-074-6549
NSN 5975-01-645-9155