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 6645-01-303-6792
NSN 5999-01-090-1432
NSN 5960-01-035-3901
NSN 6240-01-340-7591
NSN 5920-01-474-6004
NSN 7035-00-703-3535
NSN 5905-00-840-5499
NSN 5905-00-985-5833
NSN 5935-00-419-5450
NSN 5930-00-553-9211
NSN 6150-01-326-4708
NSN 6105-01-033-3017