National Stock Number
6685-00-225-8571
National Stock Number (NSN) 6685-00-225-8571, or NIIN 002258571, (indicator,temperature,electrical) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 6685001238043, 6685000606799, 6685007920796.
There are 10 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 10 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A623V2826, SPE4A017P0639, SPE4A017P0230, SPE4A414VM308. The total value of the awarded contracts has been US$ 1,066.81.
This NSN is unique to one weapons system.
There has been very little 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 Aug 12, 2014, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03380. [AN ITEM THAT DESIGNATES TEMPERATURE BY MEANS OF MEASURING THE ELECTRICAL RESISTANCE OF A SENSITIVE BULB WHOSE RESISTANCE VARIES WITH A CHANGE OF TEMPERATURE. DOES NOT INCLUDE RESISTANCE BULB.]. 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 6685002258571 does not contain precious metals.
This NSN is associated to Schedule B 9025900000: parts and accessories for hydrometers and similar floating instruments, therometers, pyrometers, barometers, hygrometers and psychrometers. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 334519: other measuring and controlling device manufacturing.
This information was last updated on Jul 01, 2025.