National Stock Number (NSN) 5925-00-389-6433, or NIIN 003896433, (thermal release,circuit breaker) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5925003513070.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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, with the most recent procurement date of Oct 06, 2011. There have been 4 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPM7M912M0090, SPM7M111VM581, SPM7M011V3558, SPM7M011V3556. The total value of the awarded contracts has been US$ 5,886.83.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 02075. [AN ITEM CONTAINING FUSIBLE MATERIAL WHICH MELTS WHEN THE TEMPERATURE REACHES A PREDETERMINED VALUE CAUSED BY AN OVERLOAD IN AN ELECTRICAL CIRCUIT. THE MELTING (FUSION) OF THE MATERIAL MECHANICALLY CAUSES CONTACTS TO OPEN AND/OR CLOSE. THE ITEM MAY INCLUDE AN INTEGRAL HEATING ELEMENT, SUCH AS A COIL OR RESISTOR, BUT DOES NOT INCLUDE CONTACTS. EXCLUDES:COIL, CIRCUIT BREAKER; HEATER, THERMAL RELEASE; AND TRIPPER, CIRCUIT BREAKER.]. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5925003896433 contains an unknown precious metal.
This NSN is associated to Schedule B 8538907020: automatic circuit breaker parts for headings 8535, 8536 or 8537. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335313: switchgear and switchboard apparatus manufacturing.
This information was last updated on Aug 01, 2025.