This is a sole-source solicitation for a Seal Ring, Gland and Seal Ring, Labyrinth, intended for Northrop Grumman Systems Corporation. The government will not issue a written solicitation, and paper copies will not be available. No specific timelines, budget amounts, or location for performance of services are mentioned in the description. Interested parties may identify their capability to respond, but this is not a request for competitive quotes. The government retains sole discretion to not compete the contract based on responses.