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 5910-01-223-4035
NSN 6150-01-090-6691
NSN 6150-01-193-7683
NSN 5935-00-318-3253
NSN 6645-00-772-0532
NSN 5835-01-435-4139
NSN 6610-01-316-3547
NSN 7035-00-361-5975
NSN 5935-00-072-4615
NSN 5835-01-561-2959
NSN 6610-01-396-2484
NSN 6220-00-510-7899