National Stock Number (NSN) 6685-00-373-9004, or NIIN 003739004, (transmitter,temperature,electric) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 6685004068159, 6685005301885, 6685007308397, 5905002593801, 6685006298941.
There are 26 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 12 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has built a very strong supply chain for this NSN. We have direct relationships with 27 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 14 contracts issued for this part number, with 30 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPRPA124P0257, SPRPA123P0721, SPRPA123P0721, SPRPA123P0300, SPRPA123P0300. The total value of the awarded contracts has been US$ 714,488.03.
This NSN is very common among different weapons systems, belonging to 40 different platforms.
There has been a moderate amount of demand for this national stock number. Globally, demand for this NSN has originated from 18 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 20340. [A DEVICE HAVING A TEMPERATURE SENSING ELEMENT WHOSE ELECTRICAL RESISTANCE VARIES WITH A CHANGE IN TEMPERATURE. IT IS DESIGNED TO TRANSMIT INFORMATION RELATIVE TO TEMPERATURE TO AN INDICATOR, TEMPERATURE, ELECTRICAL RESISTANCE. IT MAY BE A COMPONENT PART OF A THERMOMETER, INDICATING, RESISTANCE; THERMOMETER, RECORDING, RESISTANCE. EXCLUDES:THERMOCOUPLE (AS MODIFIED).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 6685003739004 does not contain precious metals.
This NSN is associated to Schedule B 9027502000: thermal analysis instruments and apparatus. The Schedule B End Use is listed as laboratory testing instruments. NAICS classification category 334516: analytical laboratory instrument manufacturing.
This information was last updated on Aug 01, 2025.