National Stock Number
4920-01-220-4985
National Stock Number (NSN) 4920-01-220-4985, or NIIN 012204985, (plug-in unit,electrical-electron) was assigned November 13, 1985 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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.
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 Apr 02, 1991, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 66495. [AN ELECTRONIC SUBASSEMBLY DESIGNED TO BE PLUGGED INTO ONE OR MORE BASIC PIECES OF TEST EQUIPMENT TO EXTEND THE CAPABILITIES OF THE BASIC INSTRUMENT. THE BASIC INSTRUMENT CANNOT FUNCTION WITHOUT ONE OR MORE PLUG-IN UNITS (AS REQUIRED) IN POSITION.]. 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 4920012204985 does not contain precious metals.
This NSN is associated to Schedule B 9030390100: instruments and apparatus with a recording device for measuring or checking voltage, current, resistance or power, nesoi. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334515: instrument manufacturing for measuring and testing electricity and electrical signals.
This information was last updated on Jul 01, 2025.