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 5985-00-377-6669
NSN 5915-01-392-1184
NSN 5910-01-379-8264
NSN 5975-00-412-1333
NSN 6610-00-584-5055
NSN 5998-01-032-7669
NSN 6610-00-620-3802
NSN 6110-01-152-2547
NSN 6145-01-340-0300
NSN 4140-01-101-8644
NSN 6130-01-085-2532
NSN 5935-01-144-2272