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 5999-00-203-5573
NSN 5985-00-918-3843
NSN 6145-00-623-7224
NSN 6220-00-492-8136
NSN 7035-00-703-3535
NSN 6220-01-424-6446
NSN 5925-01-179-4774
NSN 5905-00-962-6019
NSN 5998-00-618-4757
NSN 6150-00-306-2020
NSN 6685-01-654-0949
NSN 6135-01-142-2417