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 5975-01-104-0797
NSN 4140-00-252-0879
NSN 5910-01-012-1610
NSN 5998-01-007-2184
NSN 6105-01-422-1835
NSN 6135-00-452-2266
NSN 6105-01-494-9948
NSN 6320-00-261-9136
NSN 5945-01-578-4625
NSN 6685-01-185-7699
NSN 5985-01-116-2363
NSN 5990-01-200-7460