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 6105-00-929-4304
NSN 6220-01-608-4497
NSN 6685-00-595-5376
NSN 6240-00-727-8573
NSN 6645-01-333-6775
NSN 6650-00-171-4175
NSN 6320-01-458-9567
NSN 6110-00-222-8955
NSN 5985-01-182-3388
NSN 5905-01-646-4016
NSN 6610-01-136-7836
NSN 5925-00-549-3905