The Naval Research Laboratory intends to award a sole source purchase order to Oxford Shaft Current Solutions for shaft grounding brush assemblies. This notice is not a request for competitive proposals, and no solicitation package is available. Interested parties may respond to demonstrate clear and convincing evidence that competition would be advantageous to the government. Such information will be considered solely to determine whether to conduct a competitive procurement. No reimbursement will be provided for any costs associated with submitting capability information.