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 5985-01-177-6538
NSN 6145-00-840-8510
NSN 5996-00-747-9770
NSN 6620-01-304-4747
NSN 5910-00-787-8752
NSN 5855-01-440-1768
NSN 6320-01-195-5583
NSN 5915-01-032-3004
NSN 6110-00-981-6725
NSN 5999-01-321-9407
NSN 5996-00-680-9932
NSN 5960-00-909-3444