National Stock Number
6645-01-258-3147
National Stock Number (NSN) 6645-01-258-3147, or NIIN 012583147, (clock,master regulating) was assigned July 1, 1987 in the Federal Logistics Information System (FLIS). NIIN 012583147 was cancelled on May 1, 2010, 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 3 manufacturer part numbers associated with this NSN. One of those 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, 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.
This NSN is assigned to Item Name Code (INC) 04879. [A PRECISION CLOCK HAVING A MECHANISM FOR CONTROLLING AND REGULATING SECONDARY CLOCKS. IT MAY NOT HAVE ANY DEVICE FOR ACTUATING BELLS OR OTHER SIGNALS.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 6645012583147 does not contain precious metals.
This information was last updated on Jul 01, 2025.