National Stock Number
6680-00-055-8561
National Stock Number (NSN) 6680-00-055-8561, or NIIN 000558561, (counter,rotating) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 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, 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.
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: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) 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) 30762. [AN INSTRUMENT ACTUATED BY MEANS OF A ROTATING SHAFT AND DESIGNED TO REGISTER AND TOTAL NUMERICALLY IN UNITS PROPORTIONAL TO ONE COMPLETE REVOLUTION OF ITS SHAFT. IT MAY HAVE A FIXED TYPE MOUNTING OR DESIGNED TO BE HAND HELD. SEE ALSO COUNTER, ELECTRICAL.]. 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 6680000558561 does not contain precious metals.
This NSN is associated to Schedule B 9029100000: revolution counters, production counters, taximeters, odometers, pedometers and the like. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334514: totalizing fluid meter and counting device manufacturing.
This information was last updated on Aug 01, 2025.