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 5915-00-171-1812
NSN 6145-00-056-2046
NSN 2925-01-421-9665
NSN 5999-01-221-3599
NSN 5996-01-416-6227
NSN 5905-01-494-2468
NSN 6650-01-334-2649
NSN 5925-01-533-0212
NSN 5910-01-410-8658
NSN 5999-01-100-3918
NSN 5930-00-514-2095
NSN 5965-01-576-0991