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 6150-01-208-5052
NSN 5950-01-239-6498
NSN 5855-00-079-2370
NSN 5945-01-504-9310
NSN 6685-01-086-4715
NSN 5990-01-605-4769
NSN 5998-01-552-0317
NSN 5935-01-037-0900
NSN 5835-01-249-7393
NSN 5990-01-179-5625
NSN 6220-01-530-0446
NSN 6145-00-764-4338