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 6620-01-457-9476
NSN 6135-00-299-6918
NSN 5960-00-034-7925
NSN 7035-01-493-4173
NSN 6620-01-072-6549
NSN 2925-01-583-0691
NSN 6145-01-485-8598
NSN 2925-00-335-7119
NSN 5950-01-361-4204
NSN 5920-01-269-4191
NSN 6650-00-254-8966
NSN 6130-01-205-1592