National Stock Number
5905-00-257-2631
National Stock Number (NSN) 5905-00-257-2631, or NIIN 002572631, (resistor,fixed,composition) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 9 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 00126. [A RESISTOR WHOSE OHMIC VALUE CANNOT BE ADJUSTED OR VARIED. THE RESISTANCE ELEMENT CONSISTS OF A MIXTURE OF CARBON, AN INSULATING MATERIAL, AND SUITABLE BINDERS, EITHER MOLDED TOGETHER OR APPLIED AS A THIN LAYER OF CONDUCTING MATERIAL ON AN INSULATED FORM. THE OPPOSITION TO THE FLOW OF CURRENT IS AN INHERENT PROPERTY OF THE MATERIALS USED AND IS MANIFEST BY THE HEAT DISSIPATION IN THE ITEM ITSELF. SEE ALSO ATTENUATOR,FIXED; RESISTOR,FIXED,FILM; AND RESISTOR,THERMAL. EXCLUDES:SUPPRESSOR,IGNITION INTERFERENCE.]. 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 5905002572631 does not contain precious metals.
This NSN is associated to Schedule B 8533290000: fixed resistors, for a power handling capacity exceeding 20 w, nesoi. The Schedule B End Use is listed as electric apparatus.
This information was last updated on Aug 01, 2025.