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 5965-00-836-2690
NSN 5915-00-553-8755
NSN 6145-00-452-4501
NSN 4140-00-660-8699
NSN 6320-01-399-6177
NSN 4140-01-108-2384
NSN 6130-00-255-2809
NSN 6105-01-007-4736
NSN 6320-00-937-5625
NSN 5990-01-324-1204
NSN 5990-00-518-0684
NSN 5985-01-205-6372