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 6145-01-651-8880
NSN 5835-00-185-4919
NSN 5835-01-251-7301
NSN 5910-00-779-0228
NSN 6130-01-571-5203
NSN 6135-01-265-1384
NSN 6110-01-483-2696
NSN 5975-01-160-0481
NSN 6620-00-227-6776
NSN 7035-00-421-8710
NSN 6620-01-249-7206
NSN 5998-01-381-2536