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 4140-01-459-3136
NSN 6220-01-089-7185
NSN 5920-01-248-8386
NSN 7035-01-017-8994
NSN 5915-00-432-6333
NSN 5895-01-363-9865
NSN 5925-01-183-8337
NSN 5905-01-461-7995
NSN 4140-01-606-9953
NSN 6135-00-753-2276
NSN 5895-00-927-1895
NSN 5975-01-569-3208