National Stock Number
2920-00-554-5879
National Stock Number (NSN) 2920-00-554-5879, or NIIN 005545879, (cutout relay,engine generator) was assigned January 1, 1963 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 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 20, 1995, this NSN's acquisition method was noted as: Not established. Not established.
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 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 2920005545879 contains an unknown precious metal.
This NSN is associated to Schedule B 8511908000: internal combustion engine parts, nesoi. The Schedule B End Use is listed as engines and engine parts (carburetors, pistons, rings, and valves.
This information was last updated on Aug 01, 2025.