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 5930-00-594-8815
NSN 5920-00-636-4713
NSN 5975-01-194-3419
NSN 4140-01-400-3610
NSN 5945-01-492-8970
NSN 5895-01-373-3814
NSN 6645-00-153-3834
NSN 5925-01-415-0261
NSN 6145-01-202-7484
NSN 5915-01-156-8122
NSN 4140-01-553-4248
NSN 7035-01-111-7206