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 5999-00-882-7520
NSN 5895-00-626-5892
NSN 6650-00-629-8027
NSN 5950-01-165-9779
NSN 5925-01-257-5923
NSN 5965-00-559-1203
NSN 6610-01-222-7077
NSN 5835-01-602-0311
NSN 6645-01-164-7650
NSN 5965-00-840-8849
NSN 5915-01-104-3982
NSN 5920-01-483-9764