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 6240-01-559-6520
NSN 5925-01-621-2810
NSN 6135-01-138-8157
NSN 6620-00-836-0399
NSN 6320-00-218-6105
NSN 5930-01-414-9229
NSN 6610-01-212-9817
NSN 5998-01-012-9679
NSN 6240-00-262-2894
NSN 5925-01-293-0896
NSN 4140-00-986-8490
NSN 6320-01-532-6746