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 5915-00-947-9313
NSN 6610-00-056-5889
NSN 6240-00-594-7138
NSN 5975-01-634-0678
NSN 6130-00-199-0514
NSN 6650-01-340-3058
NSN 5855-01-349-8583
NSN 6650-00-421-9818
NSN 5915-00-116-8927
NSN 6320-01-585-8468
NSN 5950-01-472-9189
NSN 5960-00-138-5109