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 5910-01-334-9759
NSN 6110-00-481-4910
NSN 5910-00-975-2947
NSN 5975-00-099-9312
NSN 5998-00-762-2792
NSN 4140-00-249-5603
NSN 6645-01-571-6404
NSN 5835-01-177-1092
NSN 5950-01-644-8403
NSN 5895-01-139-0353
NSN 5935-00-588-0857
NSN 6145-01-608-4405