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 5950-01-212-2838
NSN 6620-01-502-9104
NSN 5990-01-426-7350
NSN 6610-01-332-9556
NSN 5990-01-548-3711
NSN 4140-01-498-8491
NSN 6130-00-528-7838
NSN 5935-00-103-6466
NSN 6145-01-535-8893
NSN 6150-01-220-2006
NSN 6620-00-543-6562
NSN 6620-01-296-9803