National Stock Number (NSN) 5950-01-313-1021, or NIIN 013131021, (coil,radio frequency) was assigned December 31, 1989 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, 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.
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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 06338. [AN ITEM CONSISTING OF A PARTIAL TURN AS ONE OR MORE TURNS OF WIRE OR OTHER CONDUCTIVE MATERIAL WHICH CONSTITUTES ONE CONTINUOUS UNTAPPED WINDING. IT MAY BE WOUND OR FORMED IN OTHER THAN A CIRCULAR MANNER AND MAY BE SELF-SUPPORTING, REQUIRING NO COIL FORM. IT IS SPECIFICALLY DESIGNED TO FURNISH INDUCTIVE REACTANCE IN A CIRCUIT CARRYING RADIO FREQUENCY CURRENT RANGING FROM 20 KILOHERTZ (KILOCYCLES) AND ABOVE. IT MAY INCLUDE TUNING DEVICES, INTEGRAL RESISTORS AND CAPACITORS; HOWEVER, EXCLUDES:FILTER (AS MODIFIED). THE COIL HAS ONLY TWO ELECTRICAL TERMINALS. FOR ITEMS HAVING TAPPED WINDING OR MORE THAN ONE WINDING - SEE TRANSFORMER, RADIO FREQUENCY. FOR COILS WOUND ON RESISTORS, WHICH ARE DESIGNED TO BE INSERTED IN THE CIRCUIT OF A RADIO FREQUENCY STAGE TO SUPPRESS HIGH FREQUENCY PARASITIC OSCILLATIONS, SEE SUPPRESSOR, PARASITIC.]. 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 5950013131021 does not contain precious metals.
This NSN is associated to Schedule B 8504500000: inductors, nesoi. The Schedule B End Use is listed as generators, accessories. NAICS classification category 334416: capacitor, resistor, coil, transformer, and other inductor manufacturing.
This information was last updated on Aug 01, 2025.