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 5930-01-072-4151
NSN 5945-01-386-4660
NSN 5925-01-169-4284
NSN 5998-01-174-6058
NSN 5930-00-081-8283
NSN 5945-00-180-1234
NSN 5910-01-524-0551
NSN 6645-01-025-1002
NSN 5965-01-295-9842
NSN 5895-01-427-3727
NSN 6320-01-347-2638
NSN 5996-01-633-0192