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 5950-00-099-9612
NSN 5930-00-499-0143
NSN 6620-01-597-0512
NSN 5930-00-916-7228
NSN 6620-00-411-4983
NSN 6650-01-481-3618
NSN 4140-01-501-6031
NSN 6645-01-547-8490
NSN 5990-00-108-5400
NSN 5920-00-012-2000
NSN 6105-01-628-4639
NSN 6685-01-408-6372