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 5945-01-044-5291
NSN 5925-01-321-7184
NSN 5998-00-149-9427
NSN 5910-01-439-1191
NSN 5965-00-062-0559
NSN 5998-00-578-8582
NSN 5998-01-428-9545
NSN 5965-01-646-6326
NSN 6645-01-519-2220
NSN 5920-00-467-6805
NSN 5996-01-013-8528
NSN 2925-01-305-1370