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 5905-01-403-2806
NSN 5950-01-503-7623
NSN 6620-01-245-0184
NSN 5930-01-283-4431
NSN 6105-01-556-1233
NSN 4140-00-399-5994
NSN 5930-01-263-9158
NSN 5975-00-203-8416
NSN 6620-00-189-0967
NSN 5855-00-411-8688
NSN 2925-00-258-9786
NSN 6650-00-132-3827