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 5998-00-955-5901
NSN 6620-01-384-9708
NSN 5998-00-155-6002
NSN 6685-01-261-5738
NSN 5855-01-006-1827
NSN 5960-00-238-3830
NSN 6610-01-246-9933
NSN 5998-00-478-5239
NSN 6130-01-080-7075
NSN 6105-01-018-3677
NSN 5920-01-293-6530
NSN 5990-01-433-7886