The bomber is the premier long-range strike aircraft of the U.S. Air Force, able to penetrate sophisticated air defenses.
"Northrop Grumman prides itself on applying innovative logistical solutions," said Chris Jones, vice president and general manager of Northrop Grumman's Integrated Logistics and Modernization Division.
"With the corporation's legacy as the B-2 original equipment manufacturer, we're proud to be performing this work for the U.S. Air Force on this most valuable national asset."
Northrop said work on the contract will be managed from its Oklahoma City facility.
"Our customer will benefit greatly from the re-establishment of a production capability in support of immediate spares replenishment," said Jim Gerdes, B-2 Tailpipe program manager for Northrop Grumman Technical Services. "Our customer and platform intimacy will ensure both the quality and success of this program."