To suspend indefinitely the activities of the Department of Energy relating to the production of nuclear weapons.

Directs the Secretary of Energy to: (1) suspend the research, development, and testing of new designs for nuclear warheads; and (2) continue the moratorium on the production and processing of fissile materials and nuclear warheads, unless the President determines that a national emergency exists requiring such actions. Prohibits the Secretary from obligating funds to construct a nuclear reactor for weapons production.

States that this Act shall not be construed to require: (1) production limits on naval reactor fuel; (2) reduction of environmental restoration expenditures; or (3) the dismantling of facilities needed for national security purposes.