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 5990-01-633-9503
NSN 6685-00-364-0821
NSN 6135-00-985-7846
NSN 5985-01-554-3108
NSN 5965-00-503-2991
NSN 6650-01-487-9454
NSN 5915-01-519-3287
NSN 5935-00-902-3060
NSN 6220-01-141-7709
NSN 6110-00-617-9512
NSN 6320-01-384-3850
NSN 4140-01-048-5472