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 5999-01-475-2509
NSN 4140-00-358-5312
NSN 5905-01-434-8071
NSN 6150-01-437-6796
NSN 5935-01-481-3838
NSN 6685-01-451-0075
NSN 6320-00-731-6134
NSN 6145-00-774-4579
NSN 6220-01-259-7881
NSN 5835-01-578-3443
NSN 6685-00-825-2292
NSN 6685-00-098-1771