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 5998-00-955-5901
NSN 5835-01-017-7486
NSN 4140-01-532-6257
NSN 5965-01-378-1393
NSN 2925-00-391-0331
NSN 5998-00-659-9533
NSN 6110-01-496-3455
NSN 6145-01-607-6165
NSN 5960-00-079-8489
NSN 5920-01-446-1123
NSN 5855-01-286-9928
NSN 6220-00-857-7565