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 5999-00-554-9966
NSN 5996-01-156-5947
NSN 5999-01-294-2462
NSN 5975-01-057-6576
NSN 5975-00-522-7125
NSN 5990-01-378-7349
NSN 5920-01-495-6456
NSN 5930-00-269-4996
NSN 5895-01-029-1775
NSN 6135-00-057-2005
NSN 5915-00-280-0572
NSN 5998-01-208-5143