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 5965-01-236-4076
NSN 5930-01-367-5391
NSN 5905-01-203-9821
NSN 6650-01-311-6505
NSN 5975-00-966-6998
NSN 6135-01-502-5787
NSN 5999-01-467-6003
NSN 5930-01-337-7686
NSN 6650-01-519-9165
NSN 5960-00-884-2535
NSN 5855-00-013-1244
NSN 5975-00-659-6531