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 6110-01-483-3324
NSN 5920-01-500-8592
NSN 6110-01-146-2861
NSN 6135-01-265-1384
NSN 5998-01-557-1435
NSN 5855-01-484-6507
NSN 6650-00-504-2999
NSN 6150-01-381-3305
NSN 5990-01-512-9129
NSN 5998-01-649-4310
NSN 6145-01-444-6917
NSN 4140-01-079-1146