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 5999-01-136-6850
NSN 6220-01-534-4425
NSN 5920-00-288-5849
NSN 6685-01-644-7757
NSN 5985-01-112-1835
NSN 5998-00-274-3268
NSN 4140-01-046-4932
NSN 5999-01-135-7889
NSN 5855-01-020-7982
NSN 4140-01-560-6489
NSN 4140-01-517-5462
NSN 5910-00-939-4633