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 5990-00-825-2882
NSN 6645-01-647-0509
NSN 4140-01-654-5140
NSN 5930-01-528-7970
NSN 2925-01-553-5132
NSN 6620-01-232-0680
NSN 5925-00-890-5035
NSN 5925-01-515-8951
NSN 6220-01-469-9562
NSN 6145-00-648-2726
NSN 5950-00-199-9654
NSN 5935-01-547-3149