National Stock Number (NSN) 5915-00-989-9421, or NIIN 009899421, (filter,radio frequency interfere) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5915009098053.
There are 4 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 4 suppliers. Today, 4 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.
This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.
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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 00765. [AN ITEM DESIGNED TO SUPPRESS UNDESIRED (INTERFERING) FREQUENCIES AND HAVE A MINIMAL EFFECT ON THE DESIRED FREQUENCIES WHEN INSERTED IN AN ELECTRICAL POWER CIRCUIT. EXCLUDES:ITEMS WHICH CONSIST OF A SINGLE CAPACITOR, INDUCTOR, RESISTOR, OR DEVICES CONSISTING OF ONLY TWO OR MORE CIRCUIT ELEMENTS OF THE SAME BASIC NAME. EXCLUDES:FILTER, LOW PASS AND SUPPRESSOR, IGNITION INTERFERENCE. FOR ITEMS DESIGNED TO BE INSERTED IN A LINE WHICH IS PRIMARILY INTENDED TO CARRY HIGH FREQUENCY WAVES MODULATED WITH SIGNALS, SUCH AS ANTENNA LEAD-IN, SEE FILTER, BAND SUPPRESSION AND FILTER, BAND PASS. SEE ALSO LIMITER, ELECTRICAL NOISE.]. 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 5915009899421 contains an unknown precious metal.
This NSN is associated to Schedule B 8527995030: reception apparatus, nesoi. The Schedule B End Use is listed as stereo equipment, etc.. NAICS classification category 334310: audio and video equipment manufacturing.
This information was last updated on Jul 01, 2025.