National Stock Number
5840-00-460-7756
National Stock Number (NSN) 5840-00-460-7756, or NIIN 004607756, (spark gap) was assigned January 9, 1970 in the Federal Logistics Information System (FLIS). NIIN 004607756 was cancelled on December 18, 2018, 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 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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) 00171. [AN ITEM DESIGNED TO ACT AS A SWITCHING OR TRIGGERING DEVICE BY MEANS OF A DISRUPTIVE DISCHARGE OF ELECTRICITY (A SPARK) BETWEEN THE ELECTRODES. THE INSULATION (USUALLY AIR) BETWEEN THE ELECTRODES IS SELF-RESTORING AFTER PASSAGE OF THE SPARK. FOR SPARK GAPS USED AS A PROTECTIVE DEVICE, SEE ARRESTER, ELECTRICAL SURGE. FOR ITEMS WITH ADDITIONAL CIRCUITRY WHICH PERFORM COMPLETE MODULATION FUNCTIONS, SEE MODULATOR, RADAR.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5840004607756 does not contain precious metals.
This information was last updated on Jul 01, 2025.