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 6240-01-412-0715
NSN 6105-01-607-6217
NSN 6610-00-641-3015
NSN 5985-00-270-6936
NSN 5905-01-477-7872
NSN 4140-01-359-2895
NSN 4140-01-115-3653
NSN 5990-01-386-5561
NSN 7035-01-421-7159
NSN 4140-00-738-2640
NSN 5835-00-946-2656
NSN 6150-01-472-3122