National Stock Number (NSN) 6680-01-667-3819, or NIIN 016673819, (speed sensor,turbine engine) was assigned October 13, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 9 contracts issued for this part number, with 8 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE4A624V177F, SPE4A123V0261, SPE4A621V6323, SPE4A621V6323, SPE4A620V6183. The total value of the awarded contracts has been US$ 13,273.29.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 2,896. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 14, 2017, 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) 48891. [AN ITEM CONSISTING OF A TOOTHED WHEEL, MOUNTED ON A TURBINE ENGINE COMPRESSOR, ROTATING IN THE MAGNETIC FIELD PRODUCED BY THE MAGNET OF A SENSOR. WHEN THE TEETH PASS THE MAGNET, THE GAP CHANGES, HENCE THE MAGNETIC FIELD WHICH GENERATES AN ELECTRO-MOTIVE FORCE WITHIN THE SOLENOIDS THE ELECTRIC SIGNAL IS TRANSMITTED TO AN INDICATOR. THE ITEM IS SPECIFICALLY USED TO MEASURE THE ROTATION SPEED OF A TURBINE ENGINE SHAFT.]. 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 6680016673819 does not contain precious metals.
This NSN is associated to Schedule B 8411997050: parts of gas turbine aircraft engines, other than for use in civil aircraft. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.
This information was last updated on Aug 01, 2025.