National Stock Number
6630-00-283-5172
National Stock Number (NSN) 6630-00-283-5172, or NIIN 002835172, (comparator,metal) was assigned August 26, 1973 in the Federal Logistics Information System (FLIS). NIIN 002835172 was cancelled on April 29, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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) 18983. [AN INSTRUMENT FOR COMPARING THE DIFFERENCES IN CHEMICAL COMPOSITIONS OF TWO METALS OR METAL ALLOYS BY BRINGING THE TWO TOGETHER AT A POINT AND RAISING OR LOWERING THE TEMPERATURE AT THE POINT OF CONTACT SO THAT A THERMAL ELECTROMOTIVE FORCE IS SET UP WHEN TWO METALS ARE DISSIMILAR. THE MAGNITUDE OF THE THERMAL ELECTROMOTIVE FORCE WILL INDICATE THE DEGREE OF DISSIMILARITY.]. 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 6630002835172 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.