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 5985-01-350-6474
NSN 2925-00-891-5959
NSN 5915-01-501-2590
NSN 2925-01-398-4312
NSN 6135-01-652-9622
NSN 4140-01-634-0330
NSN 5925-01-250-5875
NSN 6110-01-080-8677
NSN 6240-00-988-3839
NSN 6220-01-209-2363
NSN 5835-01-067-9271
NSN 5990-01-134-7756