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 5965-00-377-0301
NSN 5998-01-394-3797
NSN 6105-00-294-7431
NSN 6135-01-364-0667
NSN 6145-00-900-5798
NSN 6105-01-597-6622
NSN 6650-01-525-0958
NSN 5930-01-576-9697
NSN 5960-01-229-3817
NSN 5990-01-400-3299
NSN 6145-01-410-7153
NSN 5990-00-736-8778