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 5895-01-035-3184
NSN 4140-00-225-8586
NSN 5960-01-088-6553
NSN 5960-00-691-4942
NSN 5990-01-510-4699
NSN 5915-01-018-1060
NSN 5975-01-416-5911
NSN 5999-00-302-7785
NSN 5905-01-531-5265
NSN 6240-00-655-2523
NSN 6320-01-631-7828
NSN 6650-00-071-8184