National Stock Number
6625-00-199-1897
National Stock Number (NSN) 6625-00-199-1897, or NIIN 001991897, (generator,reference signal) was assigned March 23, 1973 in the Federal Logistics Information System (FLIS). NIIN 001991897 was cancelled on August 8, 2002, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are 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.
This NSN is assigned to Item Name Code (INC) 20372. [AN ELECTRONIC DEVICE WHICH PRODUCES PRECISE SIGNALS ACCURATELY RELATED TO A QUANTITY SUCH AS TIME. THE OUTPUT SIGNALS ARE PERMANENTLY CONNECTED INTO AND ARE ESSENTIAL TO THE OPERATION OF OTHER DEVICES OR EQUIPMENTS. EXCLUDES:ITEMS USED IN TESTING OR ALIGNMENT OPERATIONS. SEE GENERATOR, SIGNAL AND TIME SIGNAL SET.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6625001991897 does not contain precious metals.
This information was last updated on Jul 01, 2025.