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 6220-01-436-1156
NSN 5985-01-562-4996
NSN 5895-01-615-6187
NSN 6645-01-465-0115
NSN 2925-01-422-1542
NSN 5990-01-529-7307
NSN 6135-01-151-2705
NSN 5835-01-238-3381
NSN 5895-00-445-4009
NSN 6685-01-018-1360
NSN 6135-00-437-5182
NSN 5960-01-469-5874