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 6320-00-994-0179
NSN 4140-00-027-5150
NSN 6110-00-309-2898
NSN 6650-01-309-5349
NSN 6610-01-006-3255
NSN 4140-01-411-9952
NSN 5925-01-170-4150
NSN 5999-01-168-8293
NSN 5985-00-913-0443
NSN 5975-01-627-7420
NSN 6650-01-371-2198
NSN 6320-00-284-1524