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 6130-00-153-3136
NSN 6110-01-069-4895
NSN 5965-00-874-7795
NSN 5910-00-248-6899
NSN 5950-01-346-3641
NSN 5999-00-515-2442
NSN 6145-00-583-9989
NSN 5950-01-197-9472
NSN 5998-01-462-3475
NSN 5999-01-630-2655
NSN 5915-01-482-8377
NSN 6320-01-362-4863