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 5855-01-147-4785
NSN 5930-01-206-5559
NSN 6135-01-529-0122
NSN 6110-01-359-3171
NSN 6130-01-252-9724
NSN 6610-01-559-5073
NSN 7035-00-574-4223
NSN 4140-01-602-8454
NSN 5985-00-770-5558
NSN 5835-01-422-2399
NSN 5975-01-069-3236
NSN 6220-00-988-5311