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 6145-00-156-4394
NSN 5835-01-408-7576
NSN 6320-00-925-0558
NSN 2925-01-364-7926
NSN 5975-00-766-5614
NSN 6130-01-213-5863
NSN 6110-01-375-8185
NSN 5985-01-317-7601
NSN 5999-01-634-0576
NSN 6150-00-159-5271
NSN 4140-01-237-8569
NSN 5999-00-690-0854