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 5855-01-210-3002
NSN 6145-01-361-8985
NSN 5920-01-322-2572
NSN 4140-01-065-7278
NSN 6150-00-408-0875
NSN 5935-01-450-7431
NSN 6135-00-932-3136
NSN 5915-00-181-9223
NSN 6320-01-607-0347
NSN 6650-01-145-5663
NSN 6145-00-914-5256
NSN 5950-00-557-2168