BAND-IT Band Clamps Used In TR-343 Transducer Assembly
Published 04 May 2021
BAND-IT ULTRA-LOK Alloy 625 Clamps
Secure Rubber Boot on TR-343 Transducer Elements
A key component of sonar systems for surface military vessels is the AN/SQS-53C Sonar array, made up of 576 TR-343 Transducers, the array is located in the “bulb” on the bow just below the water surface. Each of those transducers contains a rubber boot or sleeve secured with an ULTRA-LOK Alloy 625 band.
BAND-IT IDENTIFIED AS ONLY SOURCE
During the sourcing process, the US Navy identified BAND-IT as the only responsible source capable of providing the required supplies. Citing the potential for delays and unrecovered costs, the agency chose BAND-IT as the only approved manufacturer based on performance and testing requirements of the Critical Item Production Fabrication Specifications (CIPFS) for the Transducer.

BAND-IT ULTRA-LOK Clamps
TR-343 Transducer by the Numbers
- Current Quantity: 44,352
- 576 Identical Transducers make up the Sonar Transducer Array Unit 717
- Sonar Detecting Ranging Set AN/SQS-53C(V) 1&2 used on all Arleigh Burke DDG-51 Destroyers and several Ticonderoga CG-47 Class Cruisers
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