National Stock Number
6680-01-157-5542
National Stock Number (NSN) 6680-01-157-5542, or NIIN 011575542, (tachometer,electronic) was assigned July 8, 1983 in the Federal Logistics Information System (FLIS). NIIN 011575542 was cancelled on April 30, 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 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 assigned to Item Name Code (INC) 22896. [A TACHOMETER USING SOLID STATE AND/OR VACUUM TUBE CIRCUITRY.]. 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 6680011575542 does not contain precious metals.
This information was last updated on Jul 01, 2025.