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 6105-01-146-1031
NSN 6650-01-651-9502
NSN 6620-01-275-9777
NSN 6220-01-508-5691
NSN 6135-01-633-8502
NSN 5985-01-403-2835
NSN 6145-00-678-0429
NSN 6135-00-856-1343
NSN 5910-01-491-1579
NSN 6110-01-381-7014
NSN 5905-01-442-8934
NSN 6135-01-614-8028