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 5925-01-552-9830
NSN 6645-01-289-6298
NSN 5905-01-135-8657
NSN 6135-01-205-5965
NSN 6645-00-230-4396
NSN 6130-00-117-6232
NSN 6320-01-648-5538
NSN 5910-01-406-2457
NSN 5960-00-586-5292
NSN 6145-00-468-8534
NSN 4140-00-648-3303
NSN 6610-01-365-0971