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 5998-01-309-5886
NSN 6240-01-563-5578
NSN 5905-01-564-8991
NSN 2925-00-225-5386
NSN 6650-00-578-6543
NSN 6240-01-552-3956
NSN 6145-00-148-5748
NSN 4140-00-205-6491
NSN 6150-00-661-0184
NSN 5996-01-407-7374
NSN 6150-01-381-2521
NSN 5910-01-131-9324