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 4140-01-534-9987
NSN 5910-01-106-3499
NSN 5835-00-468-3367
NSN 5930-01-204-8792
NSN 2925-01-495-1178
NSN 5975-01-359-9617
NSN 2925-01-258-8141
NSN 5925-01-587-0674
NSN 5910-00-906-8550
NSN 5950-00-421-1102
NSN 6650-01-027-1181
NSN 5835-00-707-6266