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 6145-00-563-7716
NSN 5920-00-851-1122
NSN 5905-01-578-4080
NSN 4140-01-643-2627
NSN 5920-01-212-1536
NSN 5990-01-232-6018
NSN 5925-01-327-2731
NSN 6240-01-314-5700
NSN 4140-01-518-0865
NSN 6645-01-160-7707
NSN 2925-01-053-5697
NSN 6150-00-164-4131