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 5960-00-475-4950
NSN 6110-01-327-7386
NSN 6620-00-754-7494
NSN 4140-01-316-0493
NSN 5905-01-069-2989
NSN 5950-00-869-0111
NSN 6685-01-152-6003
NSN 5975-00-855-7891
NSN 4140-00-225-8586
NSN 6685-01-401-5360
NSN 5835-01-250-2633
NSN 6150-00-275-1936