National Stock Number
5845-01-183-2970
National Stock Number (NSN) 5845-01-183-2970, or NIIN 011832970, (hydrophone,sonar) was assigned July 4, 1984 in the Federal Logistics Information System (FLIS). 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 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2019, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The design of this part is unstable. Engineering, manufacturing, or performance characteristics indicate that the required design objectives have not been achieved. Major changes are contemplated because the part has a low process yield or has demonstrated marginal performance during tests or service use. These changes will render the present part obsolete and unusable in its present configuration. Limited acquisition from the present source is anticipated pending configuration changes. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00277. [A DEVICE SPECIFICALLY DESIGNED TO BE USED UNDERWATER TO CONVERT UNDERWATER SOUND ENERGY INTO ELECTRICAL ENERGY. FOR ITEMS DESIGNED TO CONVERT ELECTRICAL ENERGY INTO UNDERWATER SOUND ENERGY AND UNDERWATER SOUND ENERGY INTO ELECTRICAL ENERGY, SEE TRANSDUCER, SONAR. FOR ITEMS DESIGNED TO CONVERT ELECTRICAL ENERGY INTO UNDERWATER SOUND ENERGY ONLY, SEE PROJECTOR, SONAR.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5845011832970 does not contain precious metals.
This information was last updated on Aug 01, 2025.