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 5999-00-056-7805
NSN 6110-01-126-5715
NSN 5960-01-599-9821
NSN 5925-01-152-4037
NSN 6110-00-990-0796
NSN 6145-00-973-7847
NSN 2925-01-387-0870
NSN 6130-00-142-9532
NSN 6645-01-214-6309
NSN 5990-00-467-7431
NSN 5998-01-150-2590
NSN 5905-01-376-2916