National Stock Number
6250-00-542-7997
National Stock Number (NSN) 6250-00-542-7997, or NIIN 005427997, (ballast,lamp) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 005427997 was cancelled on February 25, 2003, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 7 stock numbers. Five of the National Stock Numbers that it replaces are: 6250000599760, 6250005786296, 6250009694693, 6250000842813, 6250008785848.
There are 9 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 05123. [AN ITEM SPECIFICALLY DESIGNED FOR USE WITH FLUORESCENT OR MERCURY VAPOR LAMPS AND STARTERS TO PROVIDE A HIGH STARTING VOLTAGE FOR STRIKING THE ARC AND TO STABILIZE THE OPERATING IMPEDANCE OF THE CIRCUIT IN ORDER TO MAINTAIN THE OPERATING CURRENT AT A STEADY VALUE.]. 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 6250005427997 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.