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 5930-00-339-3451
NSN 6130-00-205-1714
NSN 5855-01-385-8846
NSN 5960-01-375-6815
NSN 6685-00-420-0027
NSN 5990-01-485-0260
NSN 5950-01-145-4510
NSN 6650-00-401-1496
NSN 5895-01-216-9286
NSN 6320-01-328-6575
NSN 6135-00-255-1340
NSN 5935-01-616-3339