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 5920-01-518-9108
NSN 5905-01-303-1395
NSN 6130-01-310-2906
NSN 6620-00-218-1228
NSN 5895-00-205-2924
NSN 6220-01-545-5479
NSN 6685-00-735-4689
NSN 5835-01-116-2369
NSN 5910-00-825-1191
NSN 5996-00-969-9882
NSN 7035-01-587-9360
NSN 6105-01-444-0795