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 5910-00-412-3171
NSN 6610-00-468-1958
NSN 6135-01-091-6021
NSN 6320-01-090-8296
NSN 5910-01-569-3771
NSN 5910-01-378-1487
NSN 5895-01-528-1966
NSN 5835-01-100-3265
NSN 5835-01-602-0311
NSN 6320-01-247-0898
NSN 7035-00-392-5417
NSN 6105-00-683-5459