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 6620-01-426-2220
NSN 5998-01-386-3123
NSN 6110-01-051-4898
NSN 5998-00-551-8450
NSN 6610-01-327-3187
NSN 6145-01-620-8037
NSN 5985-01-500-2173
NSN 5930-01-027-0716
NSN 5910-00-884-2361
NSN 5925-01-411-6028
NSN 5945-00-597-5722
NSN 5965-01-643-0703