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 5925-00-869-8724
NSN 5920-01-269-8989
NSN 6610-01-522-5751
NSN 5999-00-011-2468
NSN 6685-01-622-3022
NSN 4140-01-379-7615
NSN 5990-00-489-7834
NSN 6620-00-215-1996
NSN 6620-00-707-4195
NSN 6610-00-463-1866
NSN 5975-00-457-0611
NSN 5975-00-982-1153