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 6610-01-448-6059
NSN 6620-01-492-8470
NSN 6145-01-082-0986
NSN 4140-00-773-6474
NSN 6320-00-295-1572
NSN 5835-01-029-5602
NSN 5945-00-170-5885
NSN 6320-01-233-5798
NSN 5985-00-022-3506
NSN 5985-01-419-1916
NSN 5835-00-166-9413
NSN 5975-01-189-4660