National Stock Number
6645-00-515-3447
National Stock Number (NSN) 6645-00-515-3447, or NIIN 005153447, (chronometer,make-break circuit) has an unknown assigned date. NIIN 005153447 was cancelled on November 7, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 6645005561863.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 18699. [AN INSTRUMENT WHICH MEASURES TIME TO THE ACCURACY OF A CHRONOMETER, AND WHICH INCLUDES PRECISION INTERNAL CONTACTS FOR OPENING AND/OR CLOSING AN EXTERNAL ELECTRIC CIRCUIT. THE INTERVALS AND FREQUENCY OF OPENING AND CLOSING ARE PRESET DURING MANUFACTURE BY THE PROGRAM WHEEL(S) DESIGN. IF MOUNTED, CASE MAY CONTAIN BATTERIES, SPARK SUPRESSOR CIRCUIT AND RELAY. SEE ALSO TIMER, SEQUENTIAL; TIMER, INTERVAL AND INTERVALOMETER (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 6645005153447 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.