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 6220-01-208-1640
NSN 6610-01-322-1394
NSN 6145-01-038-7043
NSN 6110-00-144-6763
NSN 5915-00-772-8595
NSN 6105-00-148-8279
NSN 5910-01-314-6340
NSN 5999-01-294-3989
NSN 5915-01-415-3100
NSN 6130-01-143-3611
NSN 6135-00-152-8729
NSN 5935-00-146-0116