National Stock Number
4920-00-494-8638
National Stock Number (NSN) 4920-00-494-8638, or NIIN 004948638, (monitor,phase) was assigned June 9, 1969 in the Federal Logistics Information System (FLIS). NIIN 004948638 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." 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, 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 assigned to Item Name Code (INC) 00181. [AN ITEM WHICH PROVIDES CONTINUAL QUANTITATIVE VISUAL INDICATION OF CYCLIC VARIATIONS BETWEEN TWO OR MORE PHASES OF ELECTRICAL ENERGY, WARNING UPON DEPARTURE FROM PREDETERMINED PHASE VARIATION LIMITS. MAY INITIATE AN AUDIBLE WARNING. SEE ALSO PANEL, MONITOR.]. 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 4920004948638 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.