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 5975-00-276-7559
NSN 5985-01-163-6679
NSN 5990-01-065-0492
NSN 6145-01-595-6625
NSN 6110-01-099-3932
NSN 6240-01-398-2887
NSN 5990-00-932-3070
NSN 6130-01-386-1333
NSN 5996-01-010-0257
NSN 6135-01-142-2417
NSN 6110-00-260-0130
NSN 7035-00-131-8219