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 5975-00-520-2906
NSN 5895-00-596-8678
NSN 5920-01-025-2725
NSN 4140-01-537-1802
NSN 5945-01-385-8848
NSN 6240-00-143-6558
NSN 5950-00-923-5260
NSN 6620-01-483-1138
NSN 5855-00-337-3679
NSN 7035-01-408-8698
NSN 6130-01-500-5542
NSN 5985-01-391-5404