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 5920-01-383-7108
NSN 6110-00-257-5199
NSN 6105-01-396-0336
NSN 5975-01-537-9423
NSN 4140-01-617-5918
NSN 5975-01-547-3359
NSN 4140-00-931-1136
NSN 5996-00-911-3890
NSN 7035-01-320-7453
NSN 6145-01-430-3839
NSN 6240-01-432-0819
NSN 6320-01-390-5385