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 6240-01-244-4662
NSN 5975-00-280-3688
NSN 6645-00-173-2800
NSN 5930-01-661-0411
NSN 6105-00-753-7495
NSN 5998-00-241-2412
NSN 6620-01-369-3589
NSN 5985-01-437-5771
NSN 5999-00-731-7376
NSN 5925-00-792-9073
NSN 5910-01-317-0466
NSN 5895-01-650-9697