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 5985-01-381-1018
NSN 5950-00-827-0884
NSN 6320-00-583-3105
NSN 6150-01-294-7880
NSN 5945-00-039-6959
NSN 5996-01-272-2737
NSN 5925-01-240-0408
NSN 6620-01-032-3937
NSN 4140-01-206-4981
NSN 6685-00-753-0668
NSN 5985-00-759-4281
NSN 6320-01-233-5798