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 6240-01-116-3382
NSN 5835-01-328-6626
NSN 6240-01-659-8546
NSN 5855-00-991-0096
NSN 6105-01-337-3502
NSN 6320-01-116-3980
NSN 5998-01-244-0766
NSN 5985-01-627-8307
NSN 5960-00-529-0583
NSN 5998-00-337-1115
NSN 6320-00-160-0899
NSN 5999-01-631-1243