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 6240-00-201-1200
NSN 6320-01-316-0615
NSN 6135-01-218-3660
NSN 6650-01-532-3632
NSN 5905-00-463-2872
NSN 6320-01-465-2028
NSN 6645-00-079-1430
NSN 5975-00-234-2429
NSN 6105-00-189-0515
NSN 5975-01-482-7049
NSN 5855-01-132-5139
NSN 5910-01-589-9747