Tr-143a Transducers *SOLE SOURCE*

Description: Requirement to procure TR-143A Transducers, Part Number: 7146100-302. These transducers are utilized in the SP24 Trident Navigation Subsystem, supporting United States (U.S) Navy and United Kingdom (UK) Ballistic Missile Submarine Nuclear Powered submarines as part of the Navigation Subsystem Sonar. These transducers are used in coordination with TR-333 Hydrophones to receive signals from the ocean floor and to improve submarine launch accuracy. The transducers are manufactured items used as replacement assets during normal refit, replenish, and replacement operations for the SP24 Trident Navigation Subsystem and support U.S. Ohio and Columbia class submarines in addition to UK Vanguard and Dreadnought class submarines.