National Stock Number
6680-01-450-3856
National Stock Number (NSN) 6680-01-450-3856, or NIIN 014503856, (tachometer,electric,nonself-gene) was assigned November 6, 1997 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 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 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 27, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 18722. [A TACHOMETER WHICH FUNCTIONS BY MEASURING THE RATE (DWELL) OF THE OPENING AND CLOSING OF THE CONTACT POINTS. SUITABLE FOR USE WITH MAGNETO OR BATTERY IGNITION SYSTEMS. POWERED BY SELF-CONTAINED BATTERIES. EXCLUDES:TACHOMETER, ELECTRONIC; TACHOMETER, STROBOSCOPIC AND TACHOMETER, VIBRATING REED.]. 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 6680014503856 does not contain precious metals.
This information was last updated on Jul 01, 2025.