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 5950-01-360-1489
NSN 2925-01-011-2325
NSN 5915-00-222-6031
NSN 5910-01-150-1826
NSN 6685-01-190-0871
NSN 5915-00-518-0851
NSN 5945-01-307-1629
NSN 2925-01-556-0333
NSN 5835-00-185-4919
NSN 5996-00-383-6173
NSN 6240-01-222-9632
NSN 5998-01-634-0604