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 5998-00-082-1641
NSN 6320-01-118-6662
NSN 6220-01-282-4122
NSN 6130-01-115-1717
NSN 2925-01-131-0473
NSN 6130-01-198-8838
NSN 2925-01-197-7864
NSN 6135-00-917-1894
NSN 6130-01-343-2965
NSN 5935-01-634-0668
NSN 5915-01-529-6702
NSN 5925-00-337-8138