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 5895-01-208-7001
NSN 5950-00-796-9800
NSN 6145-01-502-5489
NSN 5965-01-343-6983
NSN 5990-00-650-9008
NSN 6620-01-107-2965
NSN 6150-00-881-3439
NSN 6320-00-646-3311
NSN 5999-00-832-6517
NSN 5920-01-444-2755
NSN 6110-01-166-3323
NSN 5915-00-605-7560