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 6130-00-371-2749
NSN 6150-01-077-3963
NSN 6685-01-152-1212
NSN 5999-00-762-0659
NSN 5975-01-505-0389
NSN 5999-01-246-7619
NSN 5999-01-066-3705
NSN 5950-00-998-7821
NSN 6620-01-266-8894
NSN 5996-01-352-2487
NSN 6650-01-016-0406
NSN 5985-01-441-1398