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 6650-01-449-3042
NSN 4140-01-516-7041
NSN 6240-01-599-2679
NSN 6145-01-535-0693
NSN 5990-00-893-8998
NSN 6650-00-782-4624
NSN 2925-01-112-8782
NSN 6650-00-590-9073
NSN 5855-01-085-5354
NSN 5996-01-316-4275
NSN 6610-00-618-0772
NSN 5999-01-143-7675