National Stock Number
5925-00-521-6100
National Stock Number (NSN) 5925-00-521-6100, or NIIN 005216100, (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 does not replace any other NSNs.
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.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 22, 2015, this NSN's acquisition method was noted as: Not established. Not established.
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 5925005216100 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.