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 6130-00-531-6564
NSN 2925-00-221-8529
NSN 6320-01-429-9871
NSN 6685-00-051-6132
NSN 6130-01-302-1636
NSN 6145-01-370-9201
NSN 5935-01-016-9621
NSN 5990-01-539-3493
NSN 6145-01-068-8761
NSN 5835-00-540-9669
NSN 5935-01-417-1864
NSN 6610-01-503-4379