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 5855-01-010-4921
NSN 6130-00-291-4877
NSN 6610-00-388-9188
NSN 5999-01-054-5566
NSN 4140-01-023-1537
NSN 5996-01-377-3743
NSN 5920-01-655-4019
NSN 5915-01-384-3858
NSN 5855-00-310-2740
NSN 5905-01-379-4543
NSN 5925-01-384-9594
NSN 6645-00-574-9712