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 6610-01-570-7550
NSN 6110-01-381-1269
NSN 6105-01-258-5688
NSN 6645-01-167-5814
NSN 6610-00-442-1537
NSN 5905-01-240-0449
NSN 6240-01-646-0860
NSN 5895-00-881-6976
NSN 6650-01-312-3467
NSN 6320-01-415-0953
NSN 6240-01-442-0435
NSN 5935-01-450-2872