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 5945-01-005-6602
NSN 6105-00-265-7545
NSN 2925-00-063-5898
NSN 6645-01-546-0491
NSN 6110-01-328-6777
NSN 6105-01-348-6606
NSN 6110-00-499-7054
NSN 5950-00-489-7743
NSN 2925-01-020-5099
NSN 6130-00-307-9718
NSN 5985-01-386-7465
NSN 2925-01-421-7473