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 5990-01-321-2997
NSN 4140-00-457-0603
NSN 6135-00-461-3590
NSN 6685-01-010-3997
NSN 5985-00-301-3814
NSN 6240-01-401-5340
NSN 6130-01-500-1318
NSN 5996-01-411-1585
NSN 5996-01-435-4390
NSN 6105-00-411-3080
NSN 5965-01-551-7393
NSN 5990-00-615-9973