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 6135-01-292-7723
NSN 6685-01-376-5751
NSN 5915-01-080-9282
NSN 6110-00-171-2214
NSN 2925-00-654-3206
NSN 6620-00-826-7238
NSN 6650-01-588-2173
NSN 5945-00-372-3586
NSN 5905-01-117-1754
NSN 4140-01-333-4929
NSN 5996-01-373-6562
NSN 6240-00-842-2887