National Stock Number
6645-00-720-3953
National Stock Number (NSN) 6645-00-720-3953, or NIIN 007203953, (meter,time totalizing) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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. 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, with the most recent procurement date of Sep 11, 2020. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A520P7964, SPE4A514V2473, SPM4A612F0061. The total value of the awarded contracts has been US$ 2,145.26.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 26, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 08066. [AN INSTRUMENT THAT AUTOMATICALLY MEASURED, AND CUMULATIVELY REGISTERS THE TOTAL OPERATING OR IDLE TIME OF ANY CIRCUIT, MACHINE OR SYSTEM, TO WHICH IT IS CONNECTED. SEE METER, FREQUENCY AND TIME TOTALIZING, ELECTRICAL.]. 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 6645007203953 contains an unknown precious metal.
This NSN is associated to Schedule B 9106903000: other time of the day apparatus for measuring, recording or otherwise indicating intervals of time, nesoi. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Aug 01, 2025.