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 5996-00-158-5781
NSN 2925-00-247-6248
NSN 5905-00-911-8437
NSN 6685-00-405-4991
NSN 6240-01-441-2765
NSN 2925-01-327-3069
NSN 6620-01-438-0415
NSN 5920-01-463-6862
NSN 5895-01-098-0209
NSN 5945-01-423-1009
NSN 5930-01-128-3238
NSN 6620-00-861-3828