National Stock Number
4920-01-220-4990
National Stock Number (NSN) 4920-01-220-4990, or NIIN 012204990, (oscilloscope) was assigned November 13, 1985 in the Federal Logistics Information System (FLIS). NIIN 012204990 was cancelled on April 10, 2005, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated 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, 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.
This NSN is assigned to Item Name Code (INC) 00357. [A TEST INSTRUMENT WHICH IS DESIGNED TO GIVE VISUAL INDICATIONS ON AN LCD DISPLAY OR A CATHODE RAY TUBE OF INSTANTANEOUS VALUES AND VARIATIONS IN ELECTRICAL VOLTAGE. IT CAN ALSO BE USED TO INDICATE ANY QUANTITY WHICH CAN BE CONVERTED INTO TERMS OF ELECTRICAL POTENTIAL. IT MAY INCLUDE AN INTEGRAL PULSE GENERATOR, THE OUTPUT OF WHICH CAN BE USED TO TRIGGER AN EXTERNAL COMPONENT; BE TRIGGERED BY PULSES FROM AN EXTERNAL SOURCE, OR IT MAY UTILIZE AN LCD DISPLAY OR A SPECIAL TYPE OF MULTIGUN CATHODE RAY TUBE AND CIRCUITRY WHICH PERMITS A TRACE(S) TO BE SUSTAINED AND DISPLAYED INDEFINITELY, AND THE TRACE(S) MAY BE ERASED WHEN DESIRED. FOR ITEMS WHICH ARE NOT SEPARABLE AND OPERABLE WHEN DETACHED FROM EQUIPMENT OF WHICH THEY ARE A PART (BUILT INTO OPERATIONAL EQUIPMENT), SEE INDICATOR (2) (AS MODIFIED); MONITOR (AS MODIFIED); AND RECORDER (AS MODIFIED). SEE ALSO OSCILLOGRAPH.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4920012204990 does not contain precious metals.
This information was last updated on Jun 01, 2025.