National Stock Number
6645-01-328-1034
National Stock Number (NSN) 6645-01-328-1034, or NIIN 013281034, (chronometer,make-break circuit) was assigned October 27, 1990 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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.
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) 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).]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6645013281034 contains an unknown precious metal.
This NSN is associated to Schedule B 9107000000: time switches with clock or watch movement or with synchronous motor. The Schedule B End Use is listed as photo, service industry machinery. NAICS classification category 335314: relay and industrial control manufacturing.
This information was last updated on Jul 01, 2025.