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 6145-01-634-0388
NSN 5925-00-491-4573
NSN 4140-00-133-1780
NSN 6110-01-536-5877
NSN 5930-01-181-3370
NSN 5910-00-107-0771
NSN 5998-01-571-8105
NSN 6110-00-715-9404
NSN 6320-01-302-5157
NSN 5998-01-141-6897
NSN 5910-00-561-0287
NSN 6240-00-232-1093