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 6110-00-250-5949
NSN 5960-00-997-0502
NSN 6320-00-908-6841
NSN 5998-01-262-7384
NSN 4140-01-422-4223
NSN 6610-01-413-3912
NSN 6150-00-595-6931
NSN 5905-00-443-8350
NSN 5985-00-476-7313
NSN 5985-01-074-0658
NSN 5920-00-965-5676
NSN 5996-01-179-9650