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 5945-00-752-5445
NSN 5998-01-131-9453
NSN 5945-00-939-2297
NSN 6220-00-872-7291
NSN 6105-01-222-8383
NSN 5999-01-298-1195
NSN 5965-00-653-4782
NSN 6220-01-256-6400
NSN 6685-00-932-4258
NSN 5985-01-426-4375
NSN 6220-01-467-4144
NSN 5998-01-162-3200