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 5915-00-060-9807
NSN 6620-01-281-6386
NSN 5935-01-147-0995
NSN 6620-01-090-3803
NSN 5835-01-414-3258
NSN 6145-01-606-9941
NSN 6150-01-394-5316
NSN 5990-01-386-5561
NSN 5998-01-438-0314
NSN 6240-01-222-3523
NSN 6240-01-173-7809
NSN 5855-01-580-1520