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 4140-01-038-4877
NSN 5975-00-725-1287
NSN 5996-00-383-6173
NSN 5998-01-461-9883
NSN 6150-01-277-2044
NSN 5998-01-386-4682
NSN 6685-01-179-4591
NSN 5965-01-125-5367
NSN 6240-01-477-1262
NSN 2925-00-442-6702
NSN 6220-01-590-5428
NSN 6685-01-012-3657