National Stock Number
6680-01-621-6975
National Stock Number (NSN) 6680-01-621-6975, or NIIN 016216975, (meter,fluid flow indicating,diff) was assigned September 16, 2013 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 one supplier. Today, one supplier is listed as an Active supplier 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 assigned to Item Name Code (INC) 08249. [AN INSTRUMENT DESIGNED TO MEASURE THE RATE OF FLOW OF A FLUID THROUGH A PIPELINE, BASED ON THE EXACT RELATION WHICH DIFFERENTIAL PRESSURE BEARS TO FLUID VELOCITY, AND THIS MEASUREMENT INDICATED ON A GRADUATED SCALE BY A POINTER DIRECTLY CONNECTED TO A MERCURY OR OIL SEALED BELL OR A BELLOWS. IT MAY OR MAY NOT HAVE A TOTALIZING INTEGRATOR REGISTER BUILT IN. EXCLUDES: METER, FLOW RATE INDICATING; METER, FLUID FLOW INDICATING, ELECTROMAGNETIC; AND METER, FLUID FLOW INDICATING, ULTRASONIC.]. 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 6680016216975 does not contain precious metals.
This information was last updated on Aug 01, 2025.