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 4140-01-551-1125
NSN 5990-01-548-5979
NSN 5990-01-574-2522
NSN 5999-01-324-7866
NSN 2925-01-242-2309
NSN 5915-01-361-9136
NSN 6150-01-186-3973
NSN 6105-01-555-8329
NSN 6240-00-009-4117
NSN 5855-01-174-2463
NSN 6240-00-383-7668
NSN 5905-01-097-3539