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 6110-01-312-6307
NSN 5945-00-100-6269
NSN 5945-01-345-4443
NSN 5998-01-517-6646
NSN 5905-00-246-4639
NSN 5999-01-020-7557
NSN 6320-01-172-6103
NSN 7035-00-679-9027
NSN 5835-00-257-2852
NSN 5950-01-152-5793
NSN 5985-01-425-0285
NSN 6130-01-609-3516