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 6240-00-695-1032
NSN 6610-01-381-3181
NSN 4140-00-891-9245
NSN 4140-01-413-2162
NSN 2925-00-735-4979
NSN 2925-01-016-0876
NSN 6145-01-440-8646
NSN 6145-01-359-4148
NSN 6240-00-372-4841
NSN 6650-01-646-6909
NSN 7035-01-014-3808
NSN 5910-01-608-4412