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 5999-00-035-9288
NSN 5920-01-023-0040
NSN 6130-01-378-2527
NSN 5925-00-246-4645
NSN 6145-01-660-2077
NSN 5855-00-411-8688
NSN 6130-01-556-1512
NSN 2925-00-629-7641
NSN 5975-01-382-9350
NSN 4140-01-389-6444
NSN 5920-01-187-7970
NSN 5965-01-158-4187