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 5855-01-559-7611
NSN 6610-01-450-3998
NSN 6110-00-078-8565
NSN 6320-00-564-2772
NSN 5999-00-816-9670
NSN 6645-00-269-2764
NSN 4140-01-187-8460
NSN 5905-01-592-3223
NSN 5905-01-210-5320
NSN 7035-00-059-7970
NSN 5910-01-545-0280
NSN 6610-01-327-3187