National Stock Number
6685-00-499-2953
National Stock Number (NSN) 6685-00-499-2953, or NIIN 004992953, (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 4 stock numbers: 6685006295149, 6685005800271, 6685002179109, 6685007056260.
There are 10 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are 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 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 6685004992953 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 Aug 01, 2025.