Special Notice: DEPT OF DEFENSE is seeking a procurement for a SEAL RING, LABYRINTH (NSN: 2840-01-532-3891NZ). This item is typically used in aircraft engines and is a component of gas turbines and jet engines. The procurement is for a specific part with the top drawing number 4088013. The primary contact information is not provided, and the secondary contact information will be available once the solicitation is approved by the contracting officer.