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 6650-00-191-9000
NSN 5905-00-759-6070
NSN 5915-00-233-6346
NSN 5998-00-427-6508
NSN 6610-00-935-7131
NSN 5855-01-468-4996
NSN 2925-01-285-7163
NSN 2925-00-611-6711
NSN 5910-01-263-2836
NSN 4140-00-833-6239
NSN 5915-01-394-3860
NSN 5925-01-575-9558