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 4140-00-470-4707
NSN 5999-00-805-2150
NSN 5985-01-595-9942
NSN 5945-00-140-6312
NSN 5910-01-423-1387
NSN 6130-01-448-5268
NSN 6685-01-050-7026
NSN 5996-01-421-4417
NSN 6135-01-222-0703
NSN 5905-00-284-3412
NSN 5965-01-386-2988
NSN 5945-01-431-8124