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 6130-01-255-1710
NSN 5855-01-409-1792
NSN 6145-01-262-4781
NSN 5998-01-265-5175
NSN 5975-00-006-2049
NSN 6110-01-294-3421
NSN 6240-01-381-2275
NSN 6145-01-103-7276
NSN 5975-00-369-7306
NSN 6220-01-275-8548
NSN 5925-00-420-8561
NSN 6320-00-593-0379