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 5965-01-486-9586
NSN 6645-01-527-5864
NSN 4140-01-276-8307
NSN 5910-01-154-7470
NSN 5975-01-339-7183
NSN 5855-01-302-2086
NSN 5996-01-062-0807
NSN 5960-00-762-6683
NSN 6135-00-938-1351
NSN 6150-01-598-8332
NSN 4140-01-578-6703
NSN 5930-00-977-7446