National Stock Number
6680-01-029-7917
National Stock Number (NSN) 6680-01-029-7917, or NIIN 010297917, (tachometer,electric,nonself-gene) was assigned October 22, 1976 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers 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 somewhat common among different platforms, belonging to 3 different weapons systems.
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 Dec 31, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 6680010297917 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.