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 6645-00-223-8018
NSN 6105-01-561-4256
NSN 5915-01-169-8179
NSN 6610-01-633-8931
NSN 4140-01-102-6145
NSN 6130-00-257-8038
NSN 6240-01-034-7520
NSN 5915-01-104-4486
NSN 5975-01-378-6040
NSN 5915-01-066-1980
NSN 5910-00-194-8777
NSN 7035-00-919-3381