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 6110-00-636-1234
NSN 5975-01-561-1959
NSN 5915-00-125-7095
NSN 6135-00-009-4100
NSN 5935-01-406-2263
NSN 5985-01-254-0943
NSN 5950-01-573-9203
NSN 6220-00-787-3277
NSN 6130-01-170-4059
NSN 6240-00-660-8849
NSN 6145-00-284-1514
NSN 5998-00-248-6943