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 5905-01-574-9318
NSN 4140-00-784-2659
NSN 6150-00-686-8322
NSN 6135-01-086-8167
NSN 5965-00-522-0922
NSN 6150-01-246-4050
NSN 6110-01-104-9589
NSN 6105-01-333-6778
NSN 5990-01-407-6615
NSN 5999-01-117-1787
NSN 5960-00-319-4348
NSN 5835-01-149-6855