National Stock Number
5905-00-666-1421
National Stock Number (NSN) 5905-00-666-1421, or NIIN 006661421, (resistor,fixed,wire wound,inductive) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 006661421 was cancelled on August 2, 2018, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5905010809958. This NSN replaces 1 stock number, 5905001012785.
There are 6 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 6 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that 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.
This NSN is very common among different weapons systems, belonging to 40 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 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 cost to the Government to breakout this part and acquire it competitively has been determined to exceed the projected savings over the life span of the part. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37403. [A RESISTOR WHOSE OHMIC VALUE CANNOT BE ADJUSTED OR VARIED. THE RESISTANCE ELEMENT CONSISTS OF HIGH RESISTANCE WIRE (OR RIBBON) EITHER WOUND ON AN INSULATED FORM OR CONSTRUCTED SO AS TO BE SELF-SUPPORTING. THE ITEM MUST HAVE INHERENT CHARACTERISTICS OF INDUCING SELF-INDUCTANCE. OPPOSITION TO CURRENT FLOW IS AN INHERENT PROPERTY OF THE RESISTANCE WIRE AND IS MANIFESTED BY THE HEAT DISSIPATION IN THE RESISTOR. EXCLUT S SUPPRESSOR, IGNITION INTERFERENCE. SEE ALSO RESISTOR (1), FIXED, WIRE WOUND, NONINDUCTIVE.]. 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 5905006661421 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.