Bingham McCutchen may have dissolved two years ago into Morgan, Lewis & Bockius, but the Boston-based firm is still listed as an unsecured creditor in the bankruptcy this month of defense contractor Fansteel Inc.

The Creston, Iowa-based aerospace parts manufacturer blamed slumping oil prices and a decline in U.S. government spending on operations in Afghanistan for its bankruptcy filing in Des Moines on Sept. 13.