National Stock Number
5915-01-031-0557
National Stock Number (NSN) 5915-01-031-0557, or NIIN 010310557, (network,impedance matching) was assigned November 17, 1976 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. 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) 60765. [A GROUPING OF TWO OR MORE DIFFERENT DISCRETE ITEMS, SUCH AS RESISTORS, COILS, AND CAPACITORS, ELECTRICALLY CONNECTED AND USED AS A UNIT TO COUPLE TWO OR MORE CIRCUITS IN SUCH A MANNER THAT THE IMPEDANCE OF EACH CIRCUIT WILL BE EQUAL TO THE IMPEDANCE INTO WHICH IT HOOKS. FOR ITEMS FABRICATED BY MONOLITHIC AND/OR THIN FILM TECHNIQUES, SEE MICROCIRCUIT (AS MODIFIED). SEE ALSO ATTENUATOR (AS MODIFIED); AND TRANSFORMER (AS MODIFIED). EXCLUDES RESISTOR SET, MATCHED.]. 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 5915010310557 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.