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 6145-00-233-6010
NSN 6135-01-389-2040
NSN 6105-00-312-5985
NSN 5975-01-444-2406
NSN 5920-01-375-6040
NSN 5930-01-347-6448
NSN 5910-00-153-3491
NSN 5965-01-371-1297
NSN 4140-01-572-3807
NSN 6685-01-415-5551
NSN 5950-01-403-2852
NSN 5996-00-370-3865