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 4140-00-597-5260
NSN 5910-01-005-4729
NSN 5996-01-023-7896
NSN 6110-01-537-1159
NSN 6685-01-474-0313
NSN 5925-01-359-6329
NSN 5930-01-502-9135
NSN 5960-01-376-3880
NSN 6320-01-050-1290
NSN 6610-01-010-3159
NSN 5895-01-411-6024
NSN 6620-00-088-8795