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 5935-01-442-6139
NSN 6145-01-158-4833
NSN 6110-00-427-2981
NSN 5920-01-239-2038
NSN 5960-01-656-6343
NSN 6610-01-014-3964
NSN 7035-01-575-4771
NSN 2925-01-595-9720
NSN 6685-01-347-6644
NSN 5950-01-304-2242
NSN 4140-00-225-8586
NSN 6220-00-510-7899