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 5998-01-343-4203
NSN 6220-00-934-9099
NSN 5855-01-392-1110
NSN 5975-00-131-1583
NSN 6150-01-525-6945
NSN 5998-00-533-5210
NSN 5999-01-006-0375
NSN 6110-00-096-7643
NSN 5998-00-620-1517
NSN 5999-01-633-3040
NSN 5930-00-107-7140
NSN 5905-01-111-4484