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 6145-00-953-8859
NSN 6610-01-445-9580
NSN 4140-00-980-7251
NSN 5855-01-408-1786
NSN 6620-00-339-0974
NSN 6685-01-619-4889
NSN 5935-01-284-5299
NSN 2925-00-766-1278
NSN 5835-01-457-7951
NSN 6145-01-323-1059
NSN 5905-01-584-7826
NSN 6150-00-369-0376