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 5920-00-152-4003
NSN 6620-00-181-6391
NSN 5999-00-355-4791
NSN 5990-01-351-4621
NSN 6645-01-400-1137
NSN 5835-00-397-7697
NSN 5835-01-392-0575
NSN 6130-01-279-8790
NSN 5915-00-578-5559
NSN 5998-01-181-6051
NSN 2925-01-391-9247
NSN 6320-01-492-0243