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 6145-00-823-2341
NSN 5975-01-424-1560
NSN 5996-01-243-4072
NSN 6135-01-524-7621
NSN 6240-01-535-6520
NSN 5950-01-557-4828
NSN 6320-00-164-4087
NSN 5910-00-289-3712
NSN 6620-01-064-0366
NSN 5998-01-186-1751
NSN 6220-00-401-0704
NSN 6150-01-093-0034