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 6135-00-764-8680
NSN 5975-01-278-8480
NSN 2925-01-218-5556
NSN 6685-00-149-1600
NSN 4140-01-476-9068
NSN 4140-01-321-9085
NSN 5910-01-231-6773
NSN 6650-01-495-6762
NSN 6650-01-571-7122
NSN 6150-00-221-6684
NSN 5935-01-152-8037
NSN 5945-01-201-5803