National Stock Number
6340-01-137-7451
National Stock Number (NSN) 6340-01-137-7451, or NIIN 011377451, (sensing element,fire detector sy) was assigned September 1, 1982 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 06, 2010, 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 does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 20919. [AN ITEM CONSISTING OF A PAIR OF ELECTRICAL CONDUCTORS IMBEDDED IN A SEMICONDUCTOR MATERIAL, HAVING A NEGATIVE TEMPERATURE COEFFICIENT OF RESISTANCE WHICH IS TIGHTLY ENCASED IN A SUITABLE METALLIC TUBE. THE ENDS OF THE ASSEMBLY ARE TERMINATED FOR ADAPTION IN A FIRE DETECTOR SYSTEM.]. 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 6340011377451 does not contain precious metals.
This NSN is associated to Schedule B 8531900002: parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335999: all other miscellaneous electrical equipment and component manufacturing.
This information was last updated on Jul 01, 2025.