National Stock Number
6680-01-187-0817
National Stock Number (NSN) 6680-01-187-0817, or NIIN 011870817, (velocimeter) was assigned August 17, 1984 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, 2 suppliers 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 4 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 Feb 02, 2005, 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 physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61603. [A SPECIALLY DESIGNED ITEM WHICH PROVIDES CONTINUOUS OPERATIONAL SWITCHING AS A RESULT OF VELOCITY WHEN INSERTED IN AN ELECTRICAL CIRCUIT OF A BODY IN MOTION. A METHOD IS INCORPORATED FOR MANUALLY PRE-SETTING A VELOCITY WHICH DETERMINES THE RANGE WITHIN WHICH A SWITCHING FUNCTION IS PERFORMED. ADDITIONAL SWITCHING IS PERFORMED WHEN THE VELOCITY IS NOT WITHIN THE PRESET RANGE. IT MAY INCLUDE AN ACCELEROMETER, DIGIT ASSEMBLY, INTEGRATING SYSTEM, AND ASSOCIATED SWITCHING CIRCUITS. FOR ITEMS DESIGNED TO SENSE THE RATE OF CHANGE OF VELOCITY (ACCELERATION), SEE ACCELEROMETER (AS MODIFIED).]. 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 6680011870817 contains silver.
This NSN is associated to Schedule B 9029205000: speedometers and tachometers, not for use in civil aircraft. The Schedule B End Use is listed as other parts and accessories of vehicles. NAICS classification category 334513: instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables.
This information was last updated on Jul 01, 2025.