The ornamental design for an adjustableclampingnut, as shown and described.
FIG. 1 is a perspective view of an adjustable clamping nut showing my new
design;
FIG. 2 is a right side elevational view thereof, the side opposite being a
mirror image thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a reduced right side elevational view thereof, the broken line
showing of the bolt and the layers of panels being shown in broken lines
for illustrative purposes only;
FIG. 5 is a reduced right side elevational view similar to FIG. 4 with the
adjustable nut clamp in an alternate position.