National Stock Number
6680-01-673-2999
National Stock Number (NSN) 6680-01-673-2999, or NIIN 016732999, (speed sensor,turbine engine) was assigned June 8, 2018 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.
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 Jun 09, 2018, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. 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 6680016732999 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.