National Stock Number
6680-01-543-5035
National Stock Number (NSN) 6680-01-543-5035, or NIIN 015435035, (tachometer subassembly) was assigned September 14, 2006 in the Federal Logistics Information System (FLIS). NIIN 015435035 was cancelled on December 16, 2017, 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 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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.
This NSN is assigned to Item Name Code (INC) 67448. [TWO OR MORE DIFFERENT ITEMS HAVING A COMMON MOUNTING OR MOUNTED ON EACH OTHER WHICH TOGETHER FORM A PORTION OF A TACHOMETER (AS MODIFIED), BUT WHICH IN ITSELF IS NOT A COMPLETE FUNCTIONING ITEM AND CANNOT BE ASSIGNED A MORE DEFINITE ITEM NAME.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6680015435035 does not contain precious metals.
This information was last updated on Aug 01, 2025.