National Stock Number
6645-00-557-0320
National Stock Number (NSN) 6645-00-557-0320, or NIIN 005570320, (clock,panel) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 6645005266728, 6645005156515, 6645005803842.
There are 13 manufacturer part numbers associated with this NSN. 6 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, 2 suppliers 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 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.
This NSN is assigned to Item Name Code (INC) 32601. [A CLOCK SPECIFICALLY DESIGNED FOR MOUNTING ON OR IN A PANEL. IT MAY HAVE A STRIKE MECHANISM. EXCLUDED ARE MECHANISMS FOR CONTROLLING AND REGULATING SECONDARY CLOCKS AND ALARM SIGNALLING DEVICES.]. 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 6645005570320 contains an unknown precious metal.
This NSN is associated to Schedule B 9104000000: instrument panel clocks and clocks of a similar type for vehicles, aircraft, spacecraft or vessels. The Schedule B End Use is listed as cell phones and other household goods, n.e.c..
This information was last updated on Jul 01, 2025.