National Stock Number
2920-00-255-4960
National Stock Number (NSN) 2920-00-255-4960, or NIIN 002554960, (cutout relay,engine generator) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 002554960 was cancelled on January 15, 2003, 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 are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 suppliers are listed as Active suppliers 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 17181. [A DEVICE FOR AUTOMATICALLY OPENING THE CIRCUIT BETWEEN AN ENGINE GENERATOR AND THE BATTERY OF THE ENGINE ELECTRICAL SYSTEM TO PREVENT THE FLOW OF REVERSE CURRENT TO THE GENERATOR AND AUTOMATICALLY CLOSING THE CIRCUIT WHEN THE VOLTAGE OF THE GENERATOR REACHES NORMAL RANGE. EXCLUDES:REGULATOR, CURRENT AND RELAY (AS MODIFIED).]. 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 2920002554960 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.