National Stock Number
5950-00-001-1900
National Stock Number (NSN) 5950-00-001-1900, or NIIN 000011900, (reactor) was assigned September 24, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 01, 2020, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 5950000011900 contains an unknown precious metal.
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 Jul 01, 2025.