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 6110-01-181-9594
NSN 6320-00-779-5923
NSN 6620-01-415-1622
NSN 6320-01-422-1212
NSN 5920-00-665-3973
NSN 5935-01-541-6755
NSN 5990-01-646-8048
NSN 6240-01-347-5476
NSN 5998-01-026-0311
NSN 5998-00-566-8411
NSN 5985-00-079-8671
NSN 6135-01-339-8064