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 5945-00-619-3553
NSN 5950-01-492-1611
NSN 6220-01-634-0660
NSN 5910-01-450-5931
NSN 5905-01-152-4931
NSN 5950-00-394-1546
NSN 6650-01-179-3823
NSN 6145-01-601-0780
NSN 5960-01-276-7836
NSN 5996-00-811-6818
NSN 5895-01-553-8730
NSN 5975-01-113-7397