National Stock Number
5950-00-558-0666
National Stock Number (NSN) 5950-00-558-0666, or NIIN 005580666, (reactor) was assigned November 11, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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 unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2006, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00724. [A COIL OR COILS USUALLY CONSTRUCTED WITH CORES HAVING LOW MAGNETIC RELUCTANCE, WHOSE PRIMARY PURPOSE IS TO FURNISH AN INDUCTIVE IMPEDANCE IN POWER OR AUDIO FREQUENCY CIRCUIT RANGING FROM ZERO TO 20 KILOHERTZ (KILOCYCLES). INCLUDES AUDIO FREQUENCY AND POWER FILTER CHOKES, AUDIO REACTORS AND SWINGING CHOKES. DOES NOT INCLUDE TRANSFORMERS OR COILS USED ABOVE AUDIO FREQUENCY RANGE. EXCLUDES:SATURABLE REACTOR. FOR REACTORS WITH AIR CORES, SEE COIL (AS MODIFIED).]. 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 5950005580666 does not contain precious metals.
This NSN is associated to Schedule B 8504900020: transformer parts. The Schedule B End Use is listed as generators, accessories. NAICS classification category 335311: power, distribution, and specialty transformer manufacturing.
This information was last updated on Aug 01, 2025.