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 6220-00-008-7508
NSN 6620-00-317-7820
NSN 5905-01-346-6734
NSN 5975-01-204-7916
NSN 5985-01-379-3174
NSN 5999-01-357-1771
NSN 6240-00-232-7065
NSN 5910-01-533-2403
NSN 6685-00-967-3636
NSN 5985-01-105-0735
NSN 5965-01-105-4194
NSN 5985-01-062-2123