National Stock Number
5905-00-539-0643
National Stock Number (NSN) 5905-00-539-0643, or NIIN 005390643, (resistor,adjustable) 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 15 manufacturer part numbers associated with this NSN. 10 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 14, 2012. 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 3 different suppliers. The last contract numbers awarded were: SPM7M113V1837, SPM7M912V8825, SPM7M911V8788, SPM7M110VZ572, SPM7M110VZ572. The total value of the awarded contracts has been US$ 2,629.39.
This NSN is fairly common among different weapons systems, belonging to 13 different platforms.
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 Nov 22, 2012, 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 or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00009. [A RESISTOR WHOSE OVERALL OHMIC VALUE IS FIXED; IN ADDITION, IT HAS ONE OR MORE MOVABLE TERMINALS WHICH ARE DESIGNED TO BE SET AND FIXED PRIOR TO USE, TO INCLUDE ANY DESIRED VALUE OF RESISTANCE WITHIN THE RANGE OF THE COMPLETE RESISTOR. THE OPPOSITION TO THE FLOW OF CURRENT IS AN INHERENT PROPERTY OF THE MATERIAL USED AND IS MANIFEST IN THE HEAT DISSIPATED IN THE ITEM ITSELF.]. 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 5905005390643 contains an unknown precious metal.
This NSN is associated to Schedule B 8533390080: wirewound variable resistors, nesoi. The Schedule B End Use is listed as electric apparatus.
This information was last updated on Aug 01, 2025.