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 6620-00-555-3992
NSN 5895-01-490-5700
NSN 5990-00-965-0495
NSN 5999-00-204-6957
NSN 5985-01-410-8370
NSN 5996-00-926-2528
NSN 5895-01-562-1913
NSN 5985-01-055-6688
NSN 4140-00-466-9268
NSN 5935-01-478-3682
NSN 5999-01-170-4227
NSN 6135-01-186-4010