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 5835-01-136-3394
NSN 6220-00-007-5973
NSN 6105-00-082-0333
NSN 6135-00-128-1633
NSN 5925-01-534-7749
NSN 5985-01-611-3446
NSN 5895-01-273-5107
NSN 7035-00-631-3782
NSN 4140-01-347-8502
NSN 6130-00-465-7610
NSN 5996-00-289-9847
NSN 6110-00-171-2214