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 5975-00-588-0387
NSN 6145-01-173-5143
NSN 4140-01-343-7302
NSN 6685-01-267-4854
NSN 5975-01-100-1063
NSN 7035-01-429-7954
NSN 5996-01-468-7309
NSN 6130-01-153-2265
NSN 5985-00-256-9113
NSN 5950-00-688-3280
NSN 5925-00-597-1558
NSN 5960-01-170-5932