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 5915-00-254-9989
NSN 5925-00-092-0578
NSN 2925-01-587-3956
NSN 5905-00-812-3179
NSN 6320-01-453-5152
NSN 5905-01-250-2608
NSN 6135-01-252-0315
NSN 6645-01-525-7493
NSN 6130-01-198-2243
NSN 6110-00-932-7099
NSN 6145-00-291-5388
NSN 6650-01-473-6717