National Stock Number
5845-01-731-8431
National Stock Number (NSN) 5845-01-731-8431, or NIIN 017318431, (detecting-ranging set,sonar) was assigned July 10, 2025 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 17465. [ALL THE COMPONENTS AND ITEMS REQUIRED TO OPERATE AN ELECTROMECHANICAL ECHO RANGING SYSTEM SPECIFICALLY DESIGNED TO PROVIDE THE DUAL FUNCTIONS OF PROPAGATING UNDERWATER SOUND ENERGY AND OF INTERCEPTING AND PRESENTING INTELLIGENCE FROM THE REFLECTED PORTION OF THE TRANSMISSION. SECONDARY FUNCTIONSMAY INCLUDE UNDERWATER COMMUNICATION, LISTENING, MONITORING OWN SHIP'S NOISE, MINE AND TORPEDO DETECTION, DEPTH SOUNDING AND THE LIKE. FOR ITEMS SPECIFICALLY DESIGNED FOR DEPTH DETERMINATION, SEE SOUNDING SET, SONAR. SEE ALSO SOUND RANGING SET; COMMUNICATION SET, SONAR AND RECEIVER-TRANSMITTER, SONAR.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5845017318431 does not contain precious metals.
This information was last updated on Aug 01, 2025.