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 5945-00-620-8433
NSN 5915-01-290-4107
NSN 6645-01-356-9864
NSN 4140-01-034-9806
NSN 6645-01-202-7986
NSN 5855-01-618-0405
NSN 6110-00-008-4333
NSN 5895-01-519-8639
NSN 5930-01-250-3469
NSN 5960-01-034-0408
NSN 5960-00-594-0824
NSN 5910-01-367-2230