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 5915-01-461-3552
NSN 6135-00-885-6003
NSN 5835-01-055-6859
NSN 6650-00-599-9509
NSN 6645-01-373-5876
NSN 5999-00-994-8455
NSN 5985-01-141-7059
NSN 5950-00-288-5994
NSN 5996-00-285-3727
NSN 5985-00-623-0328
NSN 5999-01-529-1969
NSN 6240-01-623-9885