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 6130-00-418-4973
NSN 5915-01-281-1570
NSN 6320-00-483-0451
NSN 6240-00-990-3226
NSN 5835-00-130-6404
NSN 5998-00-913-9669
NSN 5945-00-922-8482
NSN 5855-01-373-7538
NSN 6240-00-146-6703
NSN 5996-01-270-5095
NSN 5905-01-079-0301
NSN 5855-00-951-6483